Question

What is the length of AC?

Answer 1

The answer to your question is: AC = 126

Explanation:

Use the Thales' theorem

`(140 - x)/(81)  = (x)/(9)`

9(140 - x) = 81x

1260 - 9x = 81x

1260 = 81x + 9x

1260 = 90x

x = 1260/90

x = 14

AC = 140 - 14

AC = 126