Question

Find the length of the hypotenuse of a right triangle whose legs are 8 and 15 units in length.

Answer 1

pythagorean theorum: \[a ^{2} + b ^{2} = c^{2} \]

yours is:
\[8^{2} + 15^{2}=c ^{2}\]
\[c ^{2} =289\]

so, c, or the hypotenuse = \[\sqrt{c}=\sqrt{289}=17\]