Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 666028: can sides measuring 15, 28 and 12 be a triangle and why?
Click here to see answer by vleith(2983)

Question 666171: How many different isosceles triangles have all interger side lengths an a perimeter of 30? List them. Explain what you need to check for to ensure that your triangle is correct.
Click here to see answer by swincher4391(1107)

Question 666184: The time is between 9:00 and 10:00. Determine the exact time when the hour hand and the minute hand are pointing opposite directions.
Click here to see answer by ReadingBoosters(3246)

Question 666637: I'm good with geometry can someone help understand this problem
2. If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? (1 point)
1.4
3.8
5.4
10.6
Click here to see answer by Alan3354(69443)

Question 666732: The length of the hypotenuse of a right triangle is 40 cm. The legs of the triangle are the same length. How long is each leg of the triangle?
Click here to see answer by Evy Hofbauer(7)

Question 666731: In a scalene triangle, if the shortest side has a measurement of 10 units long,what are the lengths of the other 2 sides. Information given:
Short side s-3.5=10 Base s+7.5 opposite side s+6

Click here to see answer by ewatrrr(24785)

Question 666948: If a square has five sides, than a triangle has three sides.
True or False?
Click here to see answer by solver91311(24713)

Question 667067: the lengths of three medians of a triangle are 9,12 & 15cm. The area of the triangle is
Click here to see answer by MathLover1(20849)

Question 667161: For a certain right triangle it is known that the hypotenuse is 1cm longer than one of the legs with 18 cm longer than the other leg. How long is each side?
Click here to see answer by vleith(2983)

Question 667185: The measures of the angles in a triangle are x, 2x, and 3x. The triangle is
acute
right
obtuse
Click here to see answer by Edwin McCravy(20054)

Question 667233: Suppose the measure of an exterior of an equiangular triangle is (x + 15)�. What is the value of x?
x+15=120
-15 -15
x=105
Because the 2 angles of a triangle equals the measure of an exterior angle.
My teacher says that x=105, I was just wondering If I am doing this and explaining it correctly as to why I missed it.
Click here to see answer by ewatrrr(24785)

Question 667331: is it true that a scalene triangle is never isosceles
Click here to see answer by vleith(2983)

Question 667343: is it true that an isosceles triangle can be equilateral.

Click here to see answer by solver91311(24713)

Question 667345: Can a right triangle be scalene, isosceles, or equilateral? Why or why not? What are the advantages and disadvantages of classifying triangles by sides or angles?

Click here to see answer by solver91311(24713)

Question 667362: Calculate the area of a right angle triangle with the sides 7cm as the base and 25cm as the slanting width
Click here to see answer by Alan3354(69443)

Question 667409: ABC is a right triangle with a hypotenuse of 1 inch long and one of the acute angles of 30 degrees. What is the length of the leg adjacent to this angle?
Click here to see answer by stanbon(75887)

Question 667793: Compare � 7/8 �0.87 using <, >, or =.
<
>
=
how do I compare a fraction to a decimal ?

Click here to see answer by ewatrrr(24785)

Question 667793: Compare � 7/8 �0.87 using <, >, or =.
<
>
=
how do I compare a fraction to a decimal ?

Click here to see answer by lynnlo(4176)

Question 667793: Compare � 7/8 �0.87 using <, >, or =.
<
>
=
how do I compare a fraction to a decimal ?

Click here to see answer by MathLover1(20849)

Question 668037: AB = 3x+8 GJ = 2x+24. what is AB? midsegments
Click here to see answer by MathLover1(20849)

Question 667663: If the angle is 42 degrees. The side opposite the angle is 3x+3 and the side adjacent to the angle is 4x. What is X ?
Click here to see answer by gwendolyn(128)

Question 667663: If the angle is 42 degrees. The side opposite the angle is 3x+3 and the side adjacent to the angle is 4x. What is X ?
Click here to see answer by MathTherapy(10549)

Question 668088:
Click here to see answer by deshpande.shilpa14(4)

Question 668013: An equilateral triangle has measurements of (x+3), (2x-5), and (3x-13) . What is the length of each side of the triangle?
Click here to see answer by deshpande.shilpa14(4)

Question 668359: In an acute triangle ABC,an altitude AD is drawn. Find the area of triangle ABC if AB=15, AC=18, and BD=10.
Click here to see answer by mananth(16946)

Question 668378: if the side of the triangle have measures 2x+5, 3x-2 and 6x-7. what are the possible values of x?

Click here to see answer by Edwin McCravy(20054)

Question 668543: Given the hypotenuse of a 30 - 60 - 90 degrees triangle, determine the lengths of the two legs. Write your answers as radicals in simplest form.
Answer this where:
c = hypotenuse
hypotenuse = 6 sqrt 3
a = ?
b = ?
Click here to see answer by swincher4391(1107)

Question 668691: Ok I have a problem that deals with finding the the length of a hypotenuse with one if my legs being 3 radical 2. I know that the two legs are congruent because of it being an isosceles right triangle. What would I show the hypotenuse as because it say that x: x: (x radical 2). How would I show it?
Click here to see answer by swincher4391(1107)

Question 668997: At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (�2, �5) and moved 3 steps up and 1 step right.
a. Write a rule to describe the translation.
b. What were the coordinates of the drummer's final position? (3 points)
Click here to see answer by Theo(13342)

Question 669294: The measures of the acute angles of right triangle ABC are in the ratio 2:3. The measure of the smaller acute angle must equal?
Click here to see answer by MathLover1(20849)

Question 669673: The area of a rectangle is 1260 square inches. its length is 36 inches. find its width
Click here to see answer by jim_thompson5910(35256)

Question 669873: In the isosceles right triangle ᐃABC, AB=10 feet. what is the length of AC?
Click here to see answer by Alan3354(69443)

Question 669873: In the isosceles right triangle ᐃABC, AB=10 feet. what is the length of AC?
Click here to see answer by Edwin McCravy(20054)

Question 670038: A rectangle is 36 inches x 48 inches. What is its perimeter? What is its area?
Click here to see answer by ReadingBoosters(3246)

Question 669934: its says a SMALL JAR cyrindical glass has radius 3 cm and height 7 sm ,
the larger jar is similar to the shape
the glass is 216 times of the small jar.
Work out the radius and height of the jar
Click here to see answer by ankor@dixie-net.com(22740)

Question 670124: A fisherman along the shore wanted to know how tall it was. He is 6 ft. tall and he measures his shadow to be 1.7 ft. The lighthouse casts a shadow of 10.2 ft., approximately how tall is the Eastern Point Lighthouse?
Click here to see answer by ewatrrr(24785)

Question 670371: the measure of the angles of a triangle are in the ratio 1:3:5 the smallest angle in degrees is
Click here to see answer by Alan3354(69443)

Question 670822: The length of the hypotenuse of a right triangle is 40 centimeters. The legs of the triangle are the same length. How long is each leg of the triangle?
Click here to see answer by ReadingBoosters(3246)

Question 671171: triangle FGH is equilateral with FG = x+5, GH= 3x-9 and FH= 2x-2
Click here to see answer by ewatrrr(24785)

Question 671301: Find the area of a circle with radius 5 yd.
Use 3.14 for pi and round answer to the nearest tenth.
Click here to see answer by Alan3354(69443)

Question 671334: givin that the lenghts of 2 sides of a triangle are 10 and 15 what is the possible range of lenghts of the third side

Click here to see answer by Alan3354(69443)

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