SOLUTION: The side lengths of four triangles are listed below. Select all answer choices that could represent a right triangle. 1 point 10, 15, 20 8, 15, 17 5, 12, 13 4, 5, 6

Algebra ->  Triangles -> SOLUTION: The side lengths of four triangles are listed below. Select all answer choices that could represent a right triangle. 1 point 10, 15, 20 8, 15, 17 5, 12, 13 4, 5, 6       Log On


   

Question 1102083: The side lengths of four triangles are listed below. Select all answer choices that could represent a right triangle.
1 point
10, 15, 20
8, 15, 17
5, 12, 13
4, 5, 6
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If and only if the square of the longest side = sum of the squares of the other 2, it's a right triangle.
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I have all the points I need.

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2By%5E2=h%5E2, h for hypotenuse; x and y legs