Question

Given: line AC and line AE are common external tangents of point G and point D. Line BC=123, line GB=20, and line AG =101. What is the measure of AC?

Answer 1

what did u tried?

Answer 2

the pythagoreom theorem but i cant get it..

Answer 3

use pythagoean
101^2 - 20^2 = 9801
sqart(9801) = 99
AB = 99
AC = 99+123 = 222