Question

Find side length x.
a. 20
b. 15
c. 30
d. 40

Answer 1

B. 15

Explanation:

The ratio from the smaller triangle to the bigger one is 1 : 2.5.

To get from 10 to 25, we multiply by 2.5, which means we have to multiply 6 and 2.5 to get the length of x.

6 x 2.5 = 15

x = 15