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A rectangular deck has a length of 12 feet and a perimeter of 36 feet. What is the deck's width and area?

Sagot :

Answer:

  • Deck's width is 6 feet.
  • The area is 72 sq. ft.

Step-by-step explanation:

First, label it out:

  • Length: 12 ft.
  • Width: ?
  • Area: ?
  • Perimeter: 36 ft.

Then, we add up 12 twice (Since the length is on 2 sides):

  • 12 + 12 = 24
  • 36 - 24 = 12
  • 12 - ? = ?

Now, we write down a 6 in the ?:

  • 12 - 6 = 6.

Width = 6.

We are not done!

Now, we have to solve for area.

  • 12 * 6
  • = 72

Answers are:

Area = 72 sq. ft.

Width = 6 ft.

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