Question

Can someone help me out in this problem...?
Use the Triangle Proportionality Theorem to solve for x.

Answer 1

If EDF is similar to EAB, then

\[\frac{EA}{EB} = \frac{ED}{EF}\]

Answer 2

In other words:

\[\frac{12}{x} = \frac{17}{x + 7}\]

Answer 3

Solve for x

Answer 4

i'd have to cross multiply right?

Answer 5

12*x+7 and 17*x

Answer 6

I can't find for x :(

Answer 7

12(x + 7) = 17x
12x + 84 = 17x
84 = 17x - 12x
84 = (17 - 12)x
84 = 5x
84/5 = x
16.8 = x

No one said x had to be a whole number.

Answer 8

I see it now.. :) thanks aloot ;D