Question

A triangle has a leg that measures 3 and a hypotenuse of 9. Which leg measure would form a right triangle

Answer 1

if it's a right triangle, then use Pythagorean theorem to get
9^2=3^2+x^2

do you have answer choices?

Answer 2

yeah, they are , 12, 90, 72 sqare root, & 90 square root

Answer 3

well it's 81=9+x^2
so 72=x^2
so which one do you think is the answer?

Answer 4

i have no idea.

Answer 5

take the sqrt of both sides of my equation and you get sqrt 72

Answer 6

oh, thank you.