Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 470342: 6. A shelf is an isosceles right triangle, and the longest side is 38 centimeters. What is the length of each of the other two sides?
Click here to see answer by MathLover1(20855)

Question 470461: if on corner of the triangle is 90 degrees and the other is 30 the what is the other

Click here to see answer by solver91311(24713)

Question 470617: cosA=mg/t then cosA+cosA=?
Click here to see answer by Tatiana_Stebko(1539)

Question 470556: solve the area of the triangle with a base = 2 meters and height =12 meters
A = 1/2 bh
Click here to see answer by Alan3354(69443)

Question 470809: Base of a Triangle is 3feet more than 3 times its height. If the area is 30feet, find the height and base of the triangle. I''m trying to understand this question but don't get the formulas, and the 3time its height part is really confusing me. please help.
Click here to see answer by mananth(16949)

Question 470835: if the length of a right triangle is 8 cm and base is 6 cm, what is the hypotenuse?
Click here to see answer by MathLover1(20855)

Question 471038: If two students are constructing equilateral triangles with one side of 4 inches, explain whether the triangles constructed must be congruent.
Click here to see answer by algebrahouse.com(1659)

Question 471041: I have a triangle with the ratio 2:3:4, if the perimeter is 72 cm, what is the length of the longest side A.) 9
B.) 16
C.) 24
D.) 32
Click here to see answer by rfer(16322)

Question 471325: How do you find a triangle on a coordinate plane? Is it as simple as using Pythagorean or no?
Click here to see answer by Alan3354(69443)

Question 471505: In an isosceles right triangle, one of the congruent sides has a measure 7 cm. Find the measure of the hypotenuse.
Click here to see answer by ewatrrr(24785)

Question 471874: the legs of a right triangle are 75 and 100 . what is the length of the hypotenuse
Click here to see answer by nerdybill(7384)

Question 471890: Find the expression in terms of X for the area of the triangle.
Area= 1/2 b h Base= 5x^3/7 Height= 4/x
Please explain the steps for me.
Click here to see answer by MathLover1(20855)

Question 471778: If in a right triangle the side adjacent to 60 deg is 6 cm. long, the hypotenuse is

Click here to see answer by ankor@dixie-net.com(22740)

Question 472293: Triangle ABC is an equilateral triangle.
AD=10
What is the length of CD? Give your answer to the nearest whole number.
(LINK IS TO DIAGRAM OF TRIANGLE)
http://www.mrlarkins.com/geometry/InteractiveTextbook/Ch08/08-04/images/Ch08_Sec04_im009.gif

Click here to see answer by sudhanshu_kmr(1152)

Question 472452: I need to know the length of the hypotenuse of an isosceles triangle with two sides each measuring 2 feet and a 45 degree angle between them. This is the backstop of my horseshoe pit.
IT's been a long, long time since my geometry classes, I'm 68 years old.
Thanks!
Click here to see answer by Alan3354(69443)

Question 472447: In an isosceles triangle, the length of each leg exceeds twice the base by 2 cm. The perimeter is 24. How long is each leg?
Click here to see answer by nerdybill(7384)

Question 472576: if the perimeter of the triangle is 260, was are the lengths of the sides?
Click here to see answer by asuar010(338)

Question 472611: what is the area of a isosileas triangel 12m by 12m
Click here to see answer by richard1234(7193)

Question 472740: What is the area of a right triangle with a base of 13, and a height of 16 ?

Click here to see answer by stanbon(75887)

Question 472745: Triangle ABC is an equilateral triangle.
BC=10
What is the length of Ab?
LINK TO TRIANGLE
http://www.calculatorsoup.com/images/triangle-equilateral-001.gif
Click here to see answer by Theo(13342)

Question 472750: what is the length of a hypotenuse of a right triangle if the legs have a length of 4cm?
A. √32 or 4√2
B. 8
C. NONE OF THESE
D. 4√3
Click here to see answer by MathLover1(20855)

Question 472817: A triangle has two sides of length 5 and 12. what value could the length of the third side be? check all that apply.
a.7
b.5
c.19
d.17
e.11
f.9
Click here to see answer by Alan3354(69443)

Question 472885: The lengths of the side of a triangle are in ratio 3 to 5 to 6. If the perimeter of the triangle is 70, what is the length of the longest side?
Click here to see answer by Alan3354(69443)

Question 472892: what is the value of x if 2y is the measure of the vertex of the given isosceles triangle?
Click here to see answer by Alan3354(69443)

Question 472902: If one side of an equilateral triangle measure 6 meters, What is the number of square meters in the area of this triangle?
(1) 9
(2) 6 radical3
(3) 9 radical3
(4) 18
Click here to see answer by Alan3354(69443)

Question 472937: If two vertices of an equilateral triangle are (2,1) and (7,1). Find the remaining vertex.

Thank you!
Click here to see answer by Theo(13342)

Question 473019: In triangle ABC, angle B is an obtuse angle, AB=15, BC=20, and the area of the triangle is 90. What is the measure of angle B?
thank you
Click here to see answer by ccs2011(207)

Question 473022: a triangle has two side lengths 3 and 3. what value could the length of the third side be?
a.6
b.5
c.4
d.2
e.12
f.8
Click here to see answer by Tatiana_Stebko(1539)

Question 473069: a right triangle has area 42 ,, how to find base and height
Click here to see answer by Alan3354(69443)

Question 473162: find the area of the geometric figure.
area= 1/2, base=6 2/3, height=5
Click here to see answer by unlockmath(1688)

Question 473183: In a certain triangle, one of the angles has a measure of 94�. If the triangle is isosceles, then which of the following could be the measures of the two other angles?
Click here to see answer by Alan3354(69443)

Question 473200: Find Y as a correct nearest integer. 7 is one side and 40 degrees is the angle.
Click here to see answer by Alan3354(69443)

Question 473199: Find the perimeter of a triangular region with side lengths 13 ft, 15 ft, and 11 ft.
Click here to see answer by Alan3354(69443)

Question 473228: I have a right triangle, and I'm trying to find the length of the side not given. Side A= 13, and Side B=13. What is the exact value of Side C? It needs an answer and an approximation to three decimal places.
Click here to see answer by stanbon(75887)

Question 473269: In the right triangle ABC shown to the right the length of AB,BC, and BE are 20, 15, and 6, what is the length of DE?
Click here to see answer by richard1234(7193)

Question 474257: A person 6 feet tall casts a shadow 3 feet long. Find the sun's angle of elevation both in exact form and then rounded to the neaest degree.
A. 27 degrees
B. 30 degrees
C. 63 degrees
D. 60 degrees
Click here to see answer by stanbon(75887)

Question 474362: Picture a 45-45-90 triangle.
If the short leg equals 5. What is the length of the long leg?

Click here to see answer by robertb(5830)

Question 474557: find the area of the triangle with a base of 27ft and height of 24 ft?
Click here to see answer by rfer(16322)

Question 474591: What is the length of the congruent sides of an isosceles triangle if the base is 16" and the height is 6"? Thank you.
Click here to see answer by jorel1380(3719)

Question 474522: Fill in the blank. If the shortest leg of a 30-60-90 triangle has length 7, the length of the hypotenuse is __________.

Click here to see answer by richard1234(7193)

Question 474679: If the lengths of two sides of an isosceles triangle are 7 and 15,what is the perimeter of the triangle?
Thank you so much!

Click here to see answer by Earlsdon(6294)

Question 474882: how do you draw an acute triangle with an area0f 12 square units

Click here to see answer by richard1234(7193)

Question 474904: If the measures of the angles of a triangle are in the ratio of 3:5:7, what is the measure of the largest angle of the triangle?
A) 60
B) 72
C) 84
D) 90
E) 144
Please explain how I could approach and solve this, thanks!
Click here to see answer by richard1234(7193)

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, 12691..12735