Question

What is the value of x

Answer 1

Answer:

  A.  4√3

Step-by-step explanation:

All of the right triangles in this geometry are similar, so the ratios of hypotenuse to short side are the same:

  (8+4)/x = x/4

  48 = x^2 . . . . . . . . . multiply by 4x

  √48 = 4√3 = x . . . . take the square root