Find a hypo tennis of the right triangle with legs of 9 centimeters and 12 centimeters

Question

8
21***
15
225

Answer 1

Did you post this from your phone?? I think you mean hypotenuse, not hypo tennis!!

http://mathworld.wolfram.com/Hypotenuse.html

Answer 2

So Am wrong?

Answer 3

Ahhh, the pitfalls of auto-correct.

let the "hypo tennis" be x
x^2 = 9^2+ 12^2 ----> you should know this formula
= 81 + 144
= 225
x = √225 = 15

Answer 4

Thank You...