Question

Help please! what is it i'm actually supposed to do??

The figure consists of a tangent and a secant to the circle.


A. 9.2

B. 7.7

C. 14.3

D. 85

Answer 1

Use formula in the picture below.


`x^2=5(5+12) \\x^2=85 \\x=√(85) \\x \approx 9.2`