Question

If the lengths of the legs of a right triangle are 5 and 7, what is the length of the hypotenuse?A. 12B. 2√3C. √35D. √74

Answer 1

So, according to the Pitagorean Theorem,

a² + b²=c²

a and be are the legs.

So: 5² + 7² = c²

25 + 49 = c²

79 = c²

$c\text{ = }\sqrt[]{74}$

Letter D