Question

The triangles shown are similar.

What is the value of x?



A.
12

B.
15

C.
20

D.
13

Answer 1

`(x)/(9)=(5)/(3)\\ (x)/(9)=(15)/(9)\\ x=15`

Answer 2

15, because 3 goes into 9, 3 times and, 4 goes into 12, 3 times therefore x has to follow this rule because these 2 triangles are similar and because it already gives you 5 just take 5*3=15 there is your answer enjoy!=)