Question

PLEASE HELP!!! Find the measure of AB¯¯¯¯¯¯¯¯. A. 11 B. 13 C. 12 D. 14

Answer 1

A. 11

Explanation:

BC×AC = DC × LC

7(2x +3 +7 ) = 9 ( x+ 1 +9)

7 ( 2x +10) = 9( x + 10 )

14x - 9x = 90 - 70

5x = 20

x = 4

then,

AB = 2x + 3

= 2× 4 + 3

= 11