Question

In the circle below, BG is a diameter of circle A and DE is a chord of circle A. Segment BG is perpendicular to chord DE.
If DE = 40 and BG = 70, find the length of AF.

Answer 40.31
57.45
80.62
28.72

Answer 1

GA = 35 because GB / 2 = GA which in this case is 70/2 = 35 = GA. AF cannot be greater than 35 so the only option we're left with is 28.72.

Answer 2

omg thank you soooooo much

Answer 3

No Problem Chris! :) Anytime