Question

In the figure below, the segment is parallel to one side of the triangle.
Which of the following is not a true statement?




12/x = 10/15
12/x = y/20
10/25 = y/20

@bibby

Answer 1

I figured it out. It's "B".

Answer 2

12/X = Y/20. That is the incorrect answer.

Answer 3

why?

Answer 4

10/25 = y/20 is a possible answer.
12/x = 10/15 is also a possible answer (I don't quite understand why.)
.

I'm looking for the one that is wrong. Which is "B"

Answer 5

I know, I'm just trying to help you out.in general you should always ask yourself why something is the case

Answer 6

I figured that is what you're asking. I didn't direct the answer at you.

Answer 7

well, let's break up the triangle into 2 pieces again

Answer 8

fill in the relevant side lengths