Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 1128966: Find the angular velocity, in radians per minute, associated with the given revolutions per minute (rpm). (Round your answer to the nearest whole number.)
25 2/3 rpm

= rad/min
Click here to see answer by ikleyn(52776)

Question 1128965: Point P moves with angular velocity ω on a circle of radius r. Find the distance s traveled by the point in time t.
ω = 7 rad/sec, r = 3 ft, t = 2 min
Click here to see answer by ikleyn(52776)

Question 1128963: The matting around the picture below has a uniform width. How wide is the matting if its area equals the area of the picture? Round to the nearest hundredth of an inch. (Assume x = 7 in. and y = 3 in.)
Click here to see answer by ikleyn(52776)

Question 1129083: If the angles of a triangle are 6x, 4x-20 and 4x-10, what is the measure of each angle of the triangle?
Click here to see answer by stanbon(75887)

Question 1129087: In an isosceles triangle ABC, Angle C is the vertex angle. If angle A is 3x-6 and angle C is 2x, find the measure of angle B.
Thank you for helping me!
Click here to see answer by stanbon(75887)

Question 1129172: One side of the triangle is 8.5 and the other is 8.0 I am looking for the range of possible sizes for the third side.
Click here to see answer by ikleyn(52776)

Question 1129183: Prove that congruent triangles have congruent corresponding altitudes
Click here to see answer by MathLover1(20849)

Question 1129346: What�s the area of a triangle whose vertices are (-4,-3),(8,7) and (8,-3)
Click here to see answer by josgarithmetic(39616)

Question 1129401: the altitudes of a triangle is ____ the angle bisector of a triangle

Click here to see answer by ikleyn(52776)

Question 1129401: the altitudes of a triangle is ____ the angle bisector of a triangle

Click here to see answer by stanbon(75887)

Question 1129415: https://moer.maricopa.edu/assessment/qimages/similarb.PNG
Triangle BIG is similar to triangle MOP.Find v.
IG = 34
BG = 66
BI = v
PM = 99
MO = 27
PO = not given

Click here to see answer by MathLover1(20849)

Question 1129586: Hello! Thank you in advance for taking the time to help me!
The question is: Two planes take off from the same airport at the same time using different runways. One plane travels on a bearing S15 degreesW at 350 miles per hour. The other plane travels on a bearing N75 degrees E at 250 miles per hour. How far are the planes from each other 3 hours after takeoff?
Answer: The distance is approximately _____ miles (round to the nearest mile as needed)
I've been stuck on this problem for nearly over an hour and a half now with countless pieces of paper with my work, however, every time i solve this, I get a different answer and not the right one. I am starting to get very frustrated with this so figured I could ask for some help on how to walk through this problem. Thank you!
Click here to see answer by stanbon(75887)

Question 1129480: the measure of two sides of a triangle are 16 feet and 32 feet. If the measure of the third side is x feet, find the range for the value of x.

Click here to see answer by ikleyn(52776)

Question 1129840: The perpendicular bisectors of sides
AC
and
BC
of ΔABC intersect side
AB
at points P and Q respectively, and intersect each other in the exterior (outside) of ΔABC. Find the measure of ∠ACB if m∠CPQ = 78� and m∠CQP = 62
Click here to see answer by MathLover1(20849)

Question 1129877: An isosceles triangle has two sides of equal length, a, and a base, b. The perimeter of the triangle is 15.7 inches, so the equation to solve is 2a + b = 15.7.
Which lengths make sense for possible values of b? Check all that apply.
�2 in.
0 in.
0.5 in.
2 in.
7.9 in.

Click here to see answer by math_helper(2461)

Question 1129902: Please help with this math word problem!!
A pet's collar contains a transmitter that is helping its owners find the lost animal. From positions 250 m apart, the searchers can detect the transmitter at angles 87 and 53 from the straight line between the searchers. How far is each searcher from the lost pet?
I drew out the triangle but I can't seem to find out if it's correct.
Thanks for any help!

Click here to see answer by Theo(13342)

Question 1130203:
Click here to see answer by ikleyn(52776)

Question 1130242: In an isosceles triangle the vertex angle measures 35 degrees. One base angle measures (x+5), what is the measure of the base angles?
Click here to see answer by josgarithmetic(39616)

Question 1130248: Given Triangle CAT congruent to Triangle Dog
CA= 12, AT= 15 and the perimeter of Triangle DOG = 45, what is the measure of DG?
Click here to see answer by josgarithmetic(39616)

Question 1130256: Thank you in advance for your help! I was really struggling with this problem:
Two planes take off from the same airport at the same time using different runways. One plane travels on a bearing S 15 degrees W at 250 miles per hour. The other plane travels on a bearing
N 75 degrees E at 300 miles per hour. How far are the planes from each other 2 hours after takeoff?
Answer: The distance is approximately ___ miles ( round to the nearest mile as needed)
THANK YOU AGAIN FOR YOUR HELP!!
Click here to see answer by Theo(13342)

Question 1130315: Each flag is in the shape of an isosceles triangle. To give the fabric support, a ribbon needs to be sewn around the outside edges of the flag. The base of each triangle is 1.25 feet. Eleonore has ordered 500 feet of ribbon and is hoping to make at least 75 flags. What is the maximum length possible for each leg of the triangles? (Round your answer to the nearest tenth)

Click here to see answer by josmiceli(19441)

Question 1130648: What information is needed to prove ΔMLK≅ΔPQR by ASA?
Triangle: https://gyazo.com/21cc829fadb52982d5e1b69bc2af43eb

[] KL=10
[] m∠K=55�
[] m∠L=65�
[] KL=9.5
[] KM=9.5
[] KM=10

Click here to see answer by MathLover1(20849)

Question 1130691: A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 17 feet more than the length of the shortest side. Find the dimensions if the perimeter is 153 feet.
Click here to see answer by josgarithmetic(39616)

Question 1130825: in triangle JKL, if measure L is 13 more than measure K and measure J is 7 more than 6 times measure K, find the measure of each angle
Click here to see answer by josgarithmetic(39616)

Question 1130861: What is a line segment joining two sides of a polygon?
Click here to see answer by MathLover1(20849)

Question 1130862: The measure of two sides of a triangle are given. Between what two numbers must the third fall? Complete the inequality.
11 and 20
Click here to see answer by Boreal(15235)

Question 1130862: The measure of two sides of a triangle are given. Between what two numbers must the third fall? Complete the inequality.
11 and 20
Click here to see answer by Alan3354(69443)

Question 1131111: Which theorem proves that ABD is congruent to CBD?
Click here to see answer by MathLover1(20849)

Question 1131254: The longer diagonal of a right trapezoid is 13 cm. The longer base is 12 cm. Find the area of the trapezoid if the shorter base is 8 cm.
Click here to see answer by ikleyn(52776)

Question 1131467: I need help with my Geometry homework and I need a camera and a tutor to do it and you all don't seem to have a camera on here
Click here to see answer by addingup(3677)

Question 1131565: Triangle ABC is similar to triangle MNO. Solve for the value of the missing side
AB=1.2cm, BC=1.8cm MN=0.96cm, NO=x
x = 1.56 cm
x = 1.44 cm
x = 2.25 cm
x = 0.64 cm

Click here to see answer by josgarithmetic(39616)

Question 1131574: In triangle ABC, AB= 7, BC= 24, and AC= 25. What is the distance from vertex B to side AC?
Click here to see answer by josgarithmetic(39616)

Question 1131574: In triangle ABC, AB= 7, BC= 24, and AC= 25. What is the distance from vertex B to side AC?
Click here to see answer by ikleyn(52776)

Question 1131673: One side of the triangle was 400 yards the other is 250 yards what is the third?
Click here to see answer by greenestamps(13198)

Question 1131673: One side of the triangle was 400 yards the other is 250 yards what is the third?
Click here to see answer by josgarithmetic(39616)

Question 1131759: ΔABC, m∠C = 90�
m∠B = 30�

CM
- angle bisector
Find: m∠AMC

Click here to see answer by MathLover1(20849)

Question 1131759: ΔABC, m∠C = 90�
m∠B = 30�

CM
- angle bisector
Find: m∠AMC

Click here to see answer by MathTherapy(10551)

Question 1131873: Sara says: I have drawn a triangle.
It has one angle of 60o and one side 2 inches long.
Sanjay, you draw a triangle with the same two properties.
Sanjay says: My triangle will be congruent to yours, because all triangles that have those two properties must be congruent.
Click here to see answer by MathLover1(20849)

Question 1131872: Amy says: I have drawn a triangle.
It has one angle of 70o and another angle of 50o.
Ben, you draw a triangle with the same two properties.
Ben says: My triangle will be congruent to yours, because all triangles that have those two properties must be congruent.
Click here to see answer by MathLover1(20849)

Question 1131871: Burt says: I have drawn a triangle.
One side is 1" long, and it has angles of 90o and 20o.
Max, you draw a triangle with the same two properties.
Max says: My triangle will be congruent to yours, because all triangles that have those three properties must be congruent
Click here to see answer by Alan3354(69443)

Question 1131928: Show that (b+a)sinA = acos�(B+C), where A, B and C are angles of a triangle and a, b and c are corresponding sides.
Click here to see answer by Edwin McCravy(20054)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690