Question

The side lengths of four triangles are listed below.

Determine whether each triangle is a right triangle.
Select all options that do create a right triangle.

a. Sides 4,5,6
b. Sides 10,15,20
c. Sides 5,12,13
d. Sides 8,15,17

Answer 1

C and D

Explanation:

Use Pythagorean theorem to test

a^2 + b^2 = c^2 ? a and b are the shorter two sides c = longest side

Doing this for each data set shows C and D ARE rt triangles