Question

In exercise 5-8, the polygons are similar. Find the value of x.

Answer 1

• x = 30, x = 13.5, x = 11

Explanation:

Corresponding sides have same ratio

Q5

• x/20 = 21/14
• x = 20*3/2
• x = 30

Q6

• x/18 = 15/20
• x = 18*3/4
• x = 13.5

Q7

• x/22 = 12/24
• x = 22*1/2
• x = 11