Question

Help asap please, forgot how to do math :)

Answer 1

Answer:

11.4

Step-by-step explanation:

Pythagorean theorem

$7^{2}$ + $9^{2}$ = $x^{2}$

49 + 81 = $x^{2}$

130 = $x^{2}$

11.4 = x

Answer 2

Answer:

x = 8

Step-by-step explanation:

A common pythagorean triplet is 7, 8, 9