9 months ago

The length of a rectangle is 6 ft longer than its width.

Mathematics

2 answers:

wolverine [178]9 months ago

6 0

Answer:

area=135

Step-by-step explanation:

The width is 9 and six more would make the length 15 which 15+15=30 and 9+9=18 which added together is 48 which would make the perimeter 48 which is what they told us the perimeter is so to find the area you multiply the 15 and 9 to get 135.

nasty-shy [4]9 months ago

4 0

Answer:

135ft²

Step-by-step explanation:

Width = w

Length = w + 6

Perimeter = 48

Perimeter = 2(l + w)

Perimeter = 2(w + 6 + w) = 48

2(2w + 6) = 48

4w + 12 = 48

4w = 48 - 12

4w = 36

w = 36/4

width = 9

length = w + 6 = 9 + 6 = 15

Area = length × width

= 15 × 9

= 135 ft²

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