Question

Answer the question below. The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room. What is the perimeter of the carpet? a0 feet

Answer 1

The perimeter of the carpet is determined by its dimensions so the dimensions of the room are irrelevant to the question.

P=2(x+y) where x and y are the dimensions, here x and y equal 9 and 12 ft so

P=2(9+12)

P=2(21)

P=42 ft

Answer 2

The perimeter of the carpet is 42 ft .

What is a Perimeter ?

Perimeter is the distance around the edge of a shape

The perimeter of a rectangle of side l and b where l is the length and b is the breadth is given by 2(l +b)

Here the given carpet is a rectangle .

l = 9 ft

b = 12 ft

perimeter of the carpet = 2 ( 9 + 12 )  = 2 * 21 = 42 ft

Therefore the perimeter of the carpet is 42 ft .

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