Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 896322: What kind of triangle will this be with these measurements 6cm, 3cm, and 2cm?

Click here to see answer by Theo(13342)

Question 896322: What kind of triangle will this be with these measurements 6cm, 3cm, and 2cm?

Click here to see answer by richwmiller(17219)

Question 896510: a circle is inscribed in a equilateral triangle,its radius is 4,how to find its side?
Click here to see answer by Edwin McCravy(20054)

Question 896909: The sum of the lengths of any two sides of a triangle is greater than
the length of the third side. In triangle ABC, BC = 4 and AC = 8 - AB. What can
you conclude about AB?
Answer : 2 < AB < 6
Please show me work/explanation to get to this answer, thank you
Click here to see answer by stanbon(75887)

Question 896902: One side of triangle is 3 times the shortest side. The third side is 19 feet more than the shortest side. The perimeter is 94 . Find all three sides.
Click here to see answer by JulietG(1812)

Question 896924: what is the measure of the largest angle of a triangle if the ratio of the measures of the three angles is 1:4:5?
Click here to see answer by thesvw(77)

Question 897054: A scalene triangle has one side 5cm longer than the shortest side and another side 10cm longer than the shortest side. A square has all four of its sides the same length as the shortest side of the triangle. If the perimeter of the square is the same as the perimeter of the triangle, find the length of each side of the triangle.
Click here to see answer by josgarithmetic(39617)

Question 897238: A base of an isosceles triangle is 2x+y units and the legs of the triangle are 3x and 4y units. The perimeter of the triangle is 70 units. Find the values of x and y and determine the length of each side of the triangle.
Click here to see answer by lwsshak3(11628)

Question 897225: -Special Right Triangles
There's a triangle & on this inside there's a 45degree angle and a squre in a corner saying it's 90degres. On the outside the three sides are marked. 2squareroot of two a & b. How do I find the missing angle?
Click here to see answer by josgarithmetic(39617)

Question 897226: pls help me solve this
a triangle ABC ,with BC equal 10cm,AD equal 7cm and AD is the altitude of the triangle. find the area of triangle ABC

Click here to see answer by Fombitz(32388)

Question 897380: a right angled triangle has a perimeter of 40 and an area of 60,what are the lengths of the sides
Click here to see answer by Fombitz(32388)

Question 897801: A triangle has angles with measurements of 41� and 27�. What is the measurement of the third angle?

Click here to see answer by Fombitz(32388)

Question 898009: one side of triangle is 5 inches longer than other side that is the base of the triangle .the third side is 6 inches longer than the base . If the perimeter 35 inches ,find the length of each side?
Click here to see answer by josgarithmetic(39617)

Question 898055: The perimeter of an insider's triangle is 64. The base is twice the length of the sides. Find the lengths of all 3 sides
Click here to see answer by josgarithmetic(39617)

Question 898131: If the area of a triangle is 22 m squared and the base length is 5.5 m, what is the height?
Click here to see answer by nbedejeremiah(1)

Question 898135: in tringle ABC,right angle is at b,bc=x, and ab=2x then determine angle a and angle c.
Click here to see answer by Fombitz(32388)

Question 898135: in tringle ABC,right angle is at b,bc=x, and ab=2x then determine angle a and angle c.
Click here to see answer by MathTherapy(10552)

Question 898438: I have been working with 30-60-90 & 45-45-90 triangles. I have a few problems where they just give me lengths of the sides of a triangle & i have to determine which type of triangle it is (45-45-90 or 30-60-90) or neither . My first one says 40,50,80 . I don't know how to find that out and there are no pictures either
Click here to see answer by richwmiller(17219)

Question 898508: An equilateral triangle has a height of 26 cm. What is the length of each side of the triangle, to the nearest inch . Show your work .
Click here to see answer by josgarithmetic(39617)

Question 898895: In an isosceles right triangle, the legs are 3 inches smaller than the hypotenuse. If the perimeter is 16 inches, how long are the legs of the triangle?
Click here to see answer by josgarithmetic(39617)

Question 898993: The measures of two sides of the triangles are equal.The third side measures
15 cm.Find the length of the two sides if the perimeter of the triangle is 39 cm

Click here to see answer by josgarithmetic(39617)

Question 899006: In an isosceles triangle, the measure of one angle is 4 times the measure of one of the congruent angles. Find thr measure of each angles.
Click here to see answer by Fombitz(32388)

Question 899025: The area of a right triangle is 99 square feet. The length of the triangle is 4 feet larger than the width. What is the width of the triangle. Type the larger of your two answers as a decimal rounded to the nearest hundredth. Note: The area of a triangle equals 0.5(length)(width).
Click here to see answer by mananth(16946)

Question 899047: Please help me! I need to find the coordinates of midpoint P of line segment BC. Then calculate the lengths of AP, BP, and CP. The diagram can be found here: http://i.imgur.com/S7XQH1B.jpg
Thanks for the help!
Click here to see answer by Fombitz(32388)

Question 899451: I need to find m(angle)BAC. Here's the diagram: http://i.imgur.com/6B0BHiQ.jpg
Thanks for the help!
Click here to see answer by Fombitz(32388)

Question 899627: Angle ACB=65. Find the measure of angle ACD
Click here to see answer by jim_thompson5910(35256)

Question 899759: find the area of a triangle 5cm, 7cm, 10cm round to the nearest tenth
Click here to see answer by mananth(16946)

Question 899792: If the two acute angles of a right angeled triangle are in the ratio7:8,find these angles
Click here to see answer by fcabanski(1391)

Question 899101: A triangle has base of 15 ft and area of 60ft square root of two what is the height
Click here to see answer by Fombitz(32388)

Question 899873: The perimeter of a triangle is 17cm. The first side is twice the length of the second side; the third side is 1cm less than 3 times the length of the side. What are the lengths of the side of the triangle?
Click here to see answer by suzanna18(1)

Question 899915: Suppose you are given a 45 ∘ −45 ∘ −90 ∘ triangle with hypotenuse of length 2.9 .
Determine the length of the two sides.
Click here to see answer by richwmiller(17219)

Question 899993: Find the perimeter of an isosceles triangle with side lengths of 5 + x, 5 + x and xy. Write in simplest form. Thanks.
Click here to see answer by ewatrrr(24785)

Question 900230: The area of a triangular sheet of paper is 27 square inches. One side of the triangle is 12 inches more than two times the length of the altitude to that side. Find the length of that side and the altitude to that side.
Click here to see answer by josgarithmetic(39617)

Question 900465: The length of the base of an isosceles triangle is 39.01 inches. Each base angle is 23.44 degrees. find the length of each of the two equal sides of the triangle.
the two sides of the triangle have lengths of __ inches.
Click here to see answer by lwsshak3(11628)

Question 900716: The perimeter of a triangle is 450 m and it's sides are in the ratio 6:7:8. Find the area of the triangle.
Click here to see answer by dkppathak(439)

Question 900866: Can someone help me with this question?
Suppose that PQRS is a rhombus, with PQ = 12 and a 60-degree angle at Q. How
long are the diagonals PR and QS?
This is my work so far: http://imgur.com/FwZdotF
But my teacher said it's not quite right. Can someone explain it to me?
Click here to see answer by brysca(112)

Question 900878: What is the answer to this question the area of the rectangle is 20 square units
find x and hence find the length and width of rectangle?

Click here to see answer by Alan3354(69443)

Question 900893: Solve for x if one side of the triangle is 80 degrees, another is 50 degrees, the last one is x+61
Click here to see answer by Alan3354(69443)

Question 900923: An isosceles triangle is inscribed in a circle with a 16-inch diameter. If the base of the triangle is a diameter of the circle, what is the area of the triangle?

Click here to see answer by josgarithmetic(39617)

Question 900920: which of the following statements is false?
a. congruent triangles can be formed by drawing a line between opposite corners of a parallelogram.
b. a triangle with three equal sides also has three equal angles.
c. two triangles with the same angle measurements have the same side lengths.
d. a triangle that has two equal sides also has two equal angles.
Click here to see answer by richwmiller(17219)

Question 900922: triangle ABC is similar to triangle XYZ. calculate the length of side YZ.
Triangle ABC
BA-4
AC-4
BC-6
Triangle XYZ
YX-6
XZ-6
YZ-?
a.6
b.8
c.9
d.12
Click here to see answer by richwmiller(17219)

Question 900988: A triangle has a measure of its side X+3, X+8, 2X+3. If the perimeter of the same triangle is 46 units, what is the measure of its shortest side?

Click here to see answer by nerdybill(7384)

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