Question

What is the value of x in centimeters?

Answer 1

2.5 cm

Explanation:

Since the triangles are similar, we can use ratios to solve

AC BC

-------- = ---------

FH GH

12 15

-------- = ---------

18 x

Using cross products

12x = 15*18

Divide each side by 12

12x/12 = 15*18/12

x = 2.5