Questions on Geometry: Triangles answered by real tutors!

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Question 454922: How do you solve x/20 = ?/12
Click here to see answer by edjones(8007)

Question 454911: The hypotenuse of a right triangle is 10cm long. The two legs are equal in length. Find the length of each leg. (Round to nearest tenth)
Click here to see answer by Gogonati(855)

Question 455039: find the length of the hypoteneuse of a right triangle if its two legs are 6m and 8m?
Click here to see answer by nerdybill(7384)

Question 455084: � If the angles of a triangle are in the ratio of 2:3:5, what is the measure of the smallest angle?
Click here to see answer by Alan3354(69443)

Question 455215: if the area of an isosceles right triangle is 36mm^2, what is the perimeter?
Click here to see answer by richwmiller(17219)

Question 455332: Graph a rectangular solid that contains the point R (-1, 3, 2) and the origin as vertices. Label the points of each vertex.
Click here to see answer by ilana(307)

Question 455483: The sides of a triangle are in the ratio of 1/2 : 1/3 : 1/4. If its perimeter is 52 cm, the length of
the smallest side is :
(A) 9 cm (B) 10 cm (C) 11 cm (D) 12 cm
Click here to see answer by edjones(8007)

Question 455533: If I have a 30-60-90 triangle, and the length of the hypotenuse is 16 yards WHat would be the other two sides?
Click here to see answer by stanbon(75887)

Question 455542: If I have a 30-60-90 degree triangle and I am only given the longer side length, (not the shorter side length or the hypotenuse) and that side length is 9, how would i figure out what the hypotenuse and shorter side length are?
Click here to see answer by richwmiller(17219)

Question 455217: Fill in the blank. If the shortest leg of a 30-60-90 triangle has length 11, the length of the hypotenuse is 28, what is the units of the third side?
Click here to see answer by richwmiller(17219)

Question 455572: Isoscles triangle ABC has vertices A(-1,1), B(1,5), and C(3,1) What is the equation of the perpendicular bisector of line segment BC?
Click here to see answer by stanbon(75887)

Question 455621: find the length of the hypotenuse, to the nearest tenth of a centimeter, of a right triangle if one angle measures 70 degrees and the adjacent leg measures 8 cm?
Click here to see answer by Alan3354(69443)

Question 455636: what is the hypotenuse of a triangle with degrees of 34 and 56 and a length of 20

Click here to see answer by Alan3354(69443)

Question 455689: in triangle abc, measure of angle a is x and measure of angle b is 2x+1 and measure of angle c is x+15. what is the measure of the largest angle? I really don't understand.
Click here to see answer by rfer(16322)

Question 455886: A room has a shape of a right triangle. One of the legs of the triangle is one meter longer than the other. The perimeter of the room is 12 meters. What are the lengths of the three sides?
Click here to see answer by richwmiller(17219)

Question 456270: Two sides of a triangle are 8 and 13. Which of the following could be the measurement of the third side?
Given a triangle with sides of 7, 9 and x, which of the following describes the range of values for the third side of the triangle?
Click here to see answer by katealdridge(100)

Question 456271: 12. What is the approximate value of x in the diagram below, to the nearest tenth?
The diagram is a right triangle with the base = 10, the hypotenuse is x, and the angle opposite of the right angle = 52 degrees.
Click here to see answer by katealdridge(100)

Question 456342: is a figure with side lenghts 5,5,10 a triangle?
Click here to see answer by Alan3354(69443)

Question 456342: is a figure with side lenghts 5,5,10 a triangle?
Click here to see answer by solver91311(24713)

Question 456343: the ratio of the measures of the sides of a triangle is 2:5:6. If the length of the longest side is 48 inches, find the perimeter

Click here to see answer by edjones(8007)

Question 456393: The hypotenuse of a right triangle is 41 in long. One leg of the same triangle is 40 in long. What is the length of the other leg? Explain how you found your answer.
Click here to see answer by rfer(16322)

Question 456423: if the legs of a right triangle are 2 radical 3 and 6, what is the length of the hypotenuse?
Click here to see answer by zeti68(10)

Question 456693: a triangle has sides of length 8 cm and 7cm. what can you say about the length of the third side
Click here to see answer by MathLover1(20849)

Question 456884: The sides of a length of a triangle are x, x+4, and 20, where 20 is the longest side. For which range of values is x an acute triangle
Click here to see answer by spacesurfer(12)

Question 456930: In a triangle, the ratio of the measures of the sides is 2:3:4 and the perimeter is 144. Find the measures of the sides on the triangle.
Click here to see answer by rfer(16322)

Question 456941: The length of one side of a rectangle is 4 and the width is 3. Find the length of its diagonal.
Click here to see answer by robertb(5830)

Question 456962: A triangle has angle 45,60 and 75 degrees and the shortest side has length 2. What is the area of triangle?
Click here to see answer by robertb(5830)

Question 457187: is it a right triangle when one side is 5cm, the other is 7cm and the base is 9cm?
Click here to see answer by Alan3354(69443)

Question 457221: 1. what is the area of triangle whose sides are 29cm,25cm,and 56 cm.?
Click here to see answer by josmiceli(19441)

Question 457203: if one leg of a right triangle is 8 inches long, and the other leg is 12 inches long, how many inches long is the triangle�s hypotenuse?
Click here to see answer by unlockmath(1688)

Question 457158: if an equilateral triangle with side x has the same perimeter as another triangle with sides 5,8 and x what is the value of x?
Click here to see answer by edjones(8007)

Question 457315: if two regular polygonjs each have 47 equal sides and the perimiter of one is 47 times greater than the perimeter of the other, are they similar
Click here to see answer by Alan3354(69443)

Question 457438: how can you recognise congruent shapes ?
Click here to see answer by MathLover1(20849)

Question 457725: How can I know whether a triangle is acute, obtuse, or right, based on three side lengths?
Example, 6 cm, 8 cm, 9 cm.
I know it is not a right triangle, because the pythagorean theorem does not work.
Click here to see answer by bucky(2189)

Question 456935: A building casts a shadow of 108 ft. Tom, who is 6 ft tall, casts a shadow of 4 ft. About how tall is the building?
Click here to see answer by bucky(2189)

Question 457836: is a triangle with the sides 5,10, and 12 acute?
Click here to see answer by Alan3354(69443)

Question 458010: how do u find the value of x of of a triangle with only one measurement such as 4.5
Click here to see answer by Alan3354(69443)

Question 458056: A right triangle hastwo sides that are each 12 feet long. To the nearest foot, what is the length of the third side?
Click here to see answer by josmiceli(19441)

Question 458222: In the diagram below, RST is a 3 − 4 − 5 right
triangle. The altitude, h, to the hypotenuse has
been drawn. Determine the length of h.

Click here to see answer by jim_thompson5910(35256)

Question 458117: Find the smallest angle of a triangle whose sides are 7, 8, and 9. (solution in radians)

Click here to see answer by Alan3354(69443)

Question 458248: How do you classify a triangle with 8cm 12cm and 17cm side lengths?
Obtuse
Acute
Isosceles
Right
Click here to see answer by stanbon(75887)

Question 458038: If the shorter leg of a 30o-60o-90o triangle is 7 inches long, what is the length of the hypotenuse? Leave answer in radical form.
Click here to see answer by richwmiller(17219)

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