Question

Helpp!!! i need help with this!

Answer 1

51

Explanation:

The two tangent lines can be set equal to each other

10x - 19 = 4x + 23

Solve for x

10x - 19 = 4x + 23

-4x -4x

6x - 19 = 23

+19 +19

6x = 42

6 6

x = 7

Plug in x and solve for FE

10x - 19 = 10(7)-19 = 51