#### Answer

a. Perimeter = 56m
b.Perimeter = 350 feet

#### Work Step by Step

a. The rectangle has two sides of 18 and two sides of 10
The perimeter = 18 + 18 + 10 + 10
Perimeter = 56m
b. The rectangle has two sides of 125 and two sides of 50
The perimeter = 125 + 125 + 50 + 50
Perimeter = 350 feet