Question

Refer to the figure to find the following measure.
If AB = 6, BC = 6, and DC = 4, then EC =

Answer 1

6(12)=4(x+4)
72=4x+16
56=4x
x=14

Answer 2

Do you know what theorem I used?

Answer 3

no not really..

Answer 4

AC(BC)=EC(DC)
The segment multiplied with the external segment on the same line is equal to the segment multiplied with the external segment on the other secant.

Answer 5

i'm sorry but it was wrong..

Answer 6

What did you get?

Answer 7

14

Answer 8

That's what I got. Why was it wrong? o-o

Answer 9

I DON'T KNOW.....

Answer 10

okay.

Answer 11

I have the exact same question and I know the answer isn't 14
It's either 9, 13, or 18