Question

Solve For X

A. 20

B. 14.5

C.

`6√(3)`
D. 10

Answer 1

For this we will be using proportions. In this case, our proportion is
`(25)/(x) =(x)/(4)`

Firstly, cross multiply:
`100=x^2`

Next, square root each side, and your answer will be 10 = x, or D.