Question

I need to figure this out

Answer 1

A+ B is the radius of the circle

When we draw line AE it is also a radius of the circle

Line EC^2 = AE^2 -AC^2

Line EC^2 = 8^2 -5^2

Line EC^2 = 64 -25

Line EC^2 = 39

EC = square root of 39 = 6.2449979984

EC = 6.245 rounded.

Explanation: