Question

Please help asap. thanks

Answer 1

4
`√(2)`

Explanation:

use pythagoeron theorem

9^2-7^2=x^2

x^2=32

x=4
`√(2)`

Answer 2

7^2+x^2 = 9^2
49+x^2=81
x^2=81-49
x^2=32
x=square root of 32