Question

A rectangle has an area of 28 ft2. If the width of the rectangle is 5 ft, what is the length?

A. 5.6 ft
B. 33 ft
C. 66 ft
D. 140 ft



Juno has a rectangular garden that has a perimeter of 20 ft. The width of the garden is 4 ft. What is the length of the garden?
A. 6 ft
B. 16 ft
C. 48 ft
D. 80 ft

Answer 1

Area of a Rectangle = Length x Width
28 ft² = L x 5ft
28 ft² / 5ft = Length
5.6 ft = length. CHOICE A.

Perimeter of a Rectangle = 2(L + W)
20 ft = 2(L + 4)
20 ft = 2L + 8
20 - 8 = 2L
12 = 2L
12/2 = 2L/2
6 ft= Length CHOICE A.