The triangles below are similar. Find the value of x. The first triangle has 5 on the right and left side and 4 on the bottom. The second triangle has 9 on the right and on the left side and x is at the bottom.

Question

A)8.2
B)7.8
C)7.2
D)6.8

Answer 1

since the ratio of sides is the same,

9/5 = x/4

Answer 2

(9/5)4 =

Answer 3

72 I think???

Answer 4

7.2

Answer 5

OHHHH I see thanks

Answer 6

Good, two ways to think about it. Steve did proportions. I did scale factor. It amounts to the same thing in he end.

Answer 7

Thanks so much I got it right!!!!!

Answer 8

:) You are welcome.