Question

The triangles shown are similar.

What is the value of x?



A.
12

B.
15

C.
20

D.
13

Answer 1

Triangles?

Answer 2

http://static.k12.com/calms_media/media/1299500_1300000/1299524/1/e9f50d172cbcf3d20cbf1dc8a700458d4dbcd729/141090.jpg

Answer 3

@AnswerMyQuestions @iGreen.

Answer 4

You can set up a proportion:

\(\dfrac{12}{4} = \dfrac{x}{5}\)

Cross multiply and solve.

Answer 5

i think it's 15?

Answer 6

You got it, cross multiply:

4x = 60

Divide 4 to both sides:

x = 15