Question

Z
1
t
= [?]√
X
= Z
16

Answer 1

Answer:
`8√(5)`

Explanation:

By the geometric mean theorem,

`(y)/(16)=(4)/(y)\\\\y^(2)=64\\\\y=8`

So, by the Pythagorean theorem,

`8^2 + 16^2 = x^2\\\\320=x^2\\\\x=\boxed{8√(5)}`