Questions on Geometry: Triangles answered by real tutors!

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Question 588369: In a right triangle I am given an angle measure of 31 degrees. I am then given a hypotenuse of 34 and an adjacent side of x. How do I find x?
Click here to see answer by jim_thompson5910(28536)

Question 588447: what kinda triangle has side lengths of 6, 8, and 9?
answers
-equiangular
-right
-obtuse
-acute
Click here to see answer by Edwin McCravy(8893)

Question 588772: The height of a triangle is 6 inches greater than the length of the base . If the area of the triangle is 20 square inches, what is the length of the base?
Click here to see answer by richwmiller(9135)

Question 588749: The side of an equilateral triangle measures 18 meters. Determine the length of the height of the triangle.
Click here to see answer by richwmiller(9135)

Question 588780: A ladder is leaning against the side of a building . The ladder is 30 feet long, and the angle between the ladder and building is 15 degree. About how far is the foot of the ladder from the building?
Click here to see answer by littlealice(2)

Question 588941: If you know two sides of a triangle measure 15 cm how do you find the third side?
Click here to see answer by stanbon(57282)

Question 588962: if two sides of a triangle are 17cm and 15 cm what would be the third length?
Click here to see answer by jim_thompson5910(28536)

Question 589317: when you are given the altitude of a triangle how do you find the base when only one half of the base is given ?

Click here to see answer by richwmiller(9135)

Question 589306: The cosine of an angle is a ratio.
True
False
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Question 589472: What is a right triangle?
Click here to see answer by richard1234(5390)

Question 589472: What is a right triangle?
Click here to see answer by ankor@dixie-net.com(15645)

Question 589862: Is it possible to construct a triangle using segment lengths of 5, 8, and 2?
Click here to see answer by Alan3354(30993)

Question 590063: How do I set this up to figure out the answer? And what does respectively mean?
Base length and height of a triangle is 4 cm and 5 cm respectively; height of the prism = 7 cm
Click here to see answer by richard1234(5390)

Question 590102: How do you find the side lengths of a triangle when you have the perimeter OR the area, and the ratios of the sides. Example of a problem. Triangle ABC. AB has a scale of 2. BC has a scale of 4 and CA has a scale of 5. The area of the triangle is 450 cm2.
Thanks.
Click here to see answer by Edwin McCravy(8893)

Question 590347: i have to work out the two solutions of the angle of two isosceles triangles with areas of 4cm squared and sides of 4.7 (no base length given)
i know how to work out the area but i cannot rearrange the equation 1/2ab x SinC to help me answer this question, please explain and give the two answers
Click here to see answer by scott8148(6628)

Question 590344: if a the altitude of a triangle is decrease by 60% how much does the base increase in order to keep the same area
Click here to see answer by Alan3354(30993)

Question 590386: the length of a rectangle is 6 cm and the width is 3 cm find the length of a diagonal

Click here to see answer by solver91311(16872)

Question 590383: triangle ABC has vertices A(–2, 3), B(2, 0), and C(–1, –4). Is triangleABC a right triangle?
triangleABC is a right triangle because a.
triangleABC is a right triangle because a.
triangleABC is a right triangle because s.
triangleABC is not a right triangle.
Click here to see answer by solver91311(16872)

Question 590393: Solve the proof...This is so confusing.
Given (AB) ̅≅(AE) ̅
(BC) ̅≅(DE) ̅
Prove <1≅<2
I cannot paste the figure so I will describe it. It is a triangle with A on the top and B, C, D, E at the bottom. In the middle of the triangle is C and D is 1 above C and 2 above D.
A
1 2
B C D E
Click here to see answer by solver91311(16872)

Question 590436: How do I find the height of a triangle when I only have it's base?
Click here to see answer by Theo(3458)

Question 590450: How do I find the angle to a triangle?
Click here to see answer by Alan3354(30993)

Question 590450: How do I find the angle to a triangle?
Click here to see answer by solver91311(16872)

Question 590480: The two legs of a right triangle measure 3" and 6". What is the length of the hypotenuse?
Click here to see answer by Alan3354(30993)

Question 590566: explain why 12 inches, 20 inches, and 16 inches is a right triangle

Click here to see answer by richwmiller(9135)

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(9135)

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

Click here to see answer by jim_thompson5910(28536)

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(12654)

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(30993)

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(2733)

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(57282)

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(16872)

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(28536)

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(16872)

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(28536)

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(16872)

Question 593187: What is the third lenght if the first two are 7in. and 24in.
Click here to see answer by Alan3354(30993)

Question 593249: Can 10,11, and 13 be the sides of a right triangle ?
Click here to see answer by Alan3354(30993)

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(16872)

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(30993)

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(28536)

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