Question

If the two triangles shown are similar (i.e. their

sides are proportional), what is the length of the
side labeled x?

Answer 1

x = 12

Explanation:

As you can see here, the sides are proportional to each other. You can use ratios in order to find x.

15:5 = 36:x

Answer 2

12 cm

Explanation:

x/36=5/15

x=36/3

x=12 cm