Question

What is the length of the hypotenuse of RST? Do the side lengths of RST form a pythagorean triple? Multiple choice

Answer 1

D. 15

Explanation:

a^2 + b^2 = c^2

9^2 + 12^2 = C^2

81 + 144 = C^2

225 = C^2

√225 = √C

15 = C

The hypotenuse is 15 :)