Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 590749: How do you find the height of a triangle with 2 sides of 8 and a base that is split into two parts, with one part being 8? I know the answer, which is 4 roots of 3, but how do you get that?
Click here to see answer by richwmiller(17219)

Question 590786: In triangleABC, AC = 4. What is the value of ED?

Click here to see answer by jim_thompson5910(35256)

Question 591154: A right triangle has a hypotenuse measuring 15 inches and one leg measuring 9 inches. What is the length, in inches, of the other leg of the triangle?
Click here to see answer by rfer(16322)

Question 591357: a triangle has a 60-degree angle and a 45-degree angle and the side opposite the 45-degree angle is 240 mm long. how long is side opposite the 60 degree angle
Click here to see answer by scott8148(6628)

Question 591712: what is the circumference and area of a circle that has a radius of 6 cm

Click here to see answer by Alan3354(69443)

Question 591878: Each equal side of an isosceles right triangle is 4 feet long. What is the length of the hypotenuse?
Click here to see answer by nyc_function(2741)

Question 592185: the hypotenuse and one of the legs of a right triangle form an angle that has a cosine of square root 2 divided by 2 what is the measure of the angle

Click here to see answer by stanbon(75887)

Question 592364: The sides of a triangle measure 4, 9, and 11. If the shortest side of a similar triangle mea- sures 12, find the measures of the remaining sides of this triangle.
Click here to see answer by solver91311(24713)

Question 592515: In the triangle shown above A = 45�, a = 15 cm, and
c = 8 cm. What is the approximate measure of C?

Click here to see answer by jim_thompson5910(35256)

Question 592586: Find the lengths of the missing sides in the triangle. Write your answers as integers or as decimals rounded to the nearest tenth. Diagram is not drawn to scale.

Click here to see answer by solver91311(24713)

Question 592710: One side of a right triangle measures 6 meters. If the hypotenuse measures 10 meters, what is the lenght of the third side?
Click here to see answer by mamiya(56)

Question 592346: a right triangle gas an angle whose measure is 35. what is the measurment of the third angle?
Click here to see answer by ntnk(54)

Question 592875: if the length of the legs of a right triangle are 5 and 7, what is the length of the hypotenuse?
Click here to see answer by jim_thompson5910(35256)

Question 593018: In the triangle families for length of sides (I.e. 3,4,5). (6,8,10)
Is there a family with 7 and 24, and if so what is the other side length?
Click here to see answer by solver91311(24713)

Question 593187: What is the third lenght if the first two are 7in. and 24in.
Click here to see answer by Alan3354(69443)

Question 593249: Can 10,11, and 13 be the sides of a right triangle ?
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Question 593400: triangle a has a base of 12 and a height of 18. triangle b has a base of 16. what is the height of triangle b?
Click here to see answer by solver91311(24713)

Question 593713: what is the measure of each side of an equilateral triangle if its perimeter is 51cm?
Click here to see answer by Alan3354(69443)

Question 593943: In a 45�-45�-90� triangle where the hypotenuse measures m, find the
area of the triangle

Click here to see answer by jim_thompson5910(35256)

Question 593946: In the given 30-60-90 triangle, one leg is 10 mm, find the measure of the other leg and the hypotenuse.
Click here to see answer by jim_thompson5910(35256)

Question 594098: Hi, I am having trouble with this problem:
The minute hand clock is 7 cm longer than the hour hand. If the distance between the tips and the hands at 3:00 is 17 cm, how long is the minute hand?
Thanks for the help.
Click here to see answer by scott8148(6628)

Question 594389: Hello my Question is: In a 30-60-90 triangle if the shorter leg has length P then what is the length of the longer leg and what would length of the hypotenuse be.
Please help me :( I really dont understand this.
Click here to see answer by scott8148(6628)

Question 594540: In a 30 60 90 triangle the shorter leg is 8.5 i need to find x and y
Click here to see answer by stanbon(75887)

Question 594539: in30 60 90 triangle and one leg is 8.5 and i need to find x and y ?

Click here to see answer by stanbon(75887)

Question 594635: Find the dimensions of a triangle when the perimeter is 17?
Click here to see answer by Alan3354(69443)

Question 594840: A man is 6 ft. tall, and is standing 12 ft. away from a 16 ft. tall lightpost. How long is his shadow?
Click here to see answer by vleith(2983)

Question 594920: Isosceles triangles:
I have a isosceles triangle that has the second angle 115 degrees. Will you help me with the other two? Would it be 32.5 for the other two?
Click here to see answer by Alan3354(69443)

Question 594940: If you have a triangle that is 72degrees and 58degrees how wiLl I do that

Click here to see answer by Alan3354(69443)

Question 595125:
DE is parallel to AC. How long is DB?
Click here to see answer by Alan3354(69443)

Question 595260: The length of the shorter leg of a 30�-60�-90� triangle is equal to 6 inches. What is the length of its hypotenuse?
Click here to see answer by Alan3354(69443)

Question 595338: If I have a triangle, and one side is 35 degrees, and the other side is 28 degrees, how do I figure out the last side? I know you have to add them together and then you have to subtract, but I don't know what you subtract by.
Click here to see answer by rfer(16322)

Question 595453: Would like to know how to figure the square footage of a triangle 47 by 47 by 18, this is on a constuction site, so do not know the height. Would like to know if there is a formula to use when the height is not known, need to figure out the square feet in the triangle shape. Thank you
Click here to see answer by ankor@dixie-net.com(22740)

Question 595542: What would the hypotenuse of a right triangle with legs of 12 inches and 16 inches? Thank you very much for help.
Click here to see answer by rfer(16322)

Question 595542: What would the hypotenuse of a right triangle with legs of 12 inches and 16 inches? Thank you very much for help.
Click here to see answer by math-vortex(648)

Question 595637: The base is a 30, 60, 90 degree triangle with a hypotenuse of 14m. The height of the prism is 11m. Find the volume to the nearest tenth.

Click here to see answer by math-vortex(648)

Question 595787: What are the possible triangles with whole number sides and a perimeter of 18 units?
Click here to see answer by Edwin McCravy(20054)

Question 595896: The angles of a triangle add up to 180 degrees.
The second angle is 30 degrees larger than the smallest angle.
The third angle is 4 times as big as the smallest angle.
Find the measure of the smallest angle (in degrees)
Click here to see answer by mamiya(56)

Question 595991: A area of a equilateral triangle with a side length of .

Click here to see answer by math-vortex(648)

Question 596029: IF AB=8 And BC=6, What is the measure of AC.
Click here to see answer by math-vortex(648)

Question 595602: WHAT IS THE GREATEST NUMBER OF OBTUSE ANGLES THAT A TRIANGLE CAN HAVE

Click here to see answer by richard1234(7193)

Question 596156: Rodger leans a 13 ft ladder against his home to wash te windows on the second floor.If the window is 12 ft from the ground, how far away from the house should Rodger place the ladder?
Click here to see answer by math-vortex(648)

Question 596347: An isosceles triangle is such that each of the base angles is twice the vertical angle. Find the angles of the triangle.
Click here to see answer by Alan3354(69443)

Question 596355: 10. Two angles of a triangle have measures of 45� and 75�. Which of the following could not be a measure of an exterior angle of the triangle?

60�
105�
135�
120�

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