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    JALIA14's Avatar
    JALIA14 Posts: 1, Reputation: 1
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    #1

    Apr 16, 2009, 09:41 PM
    Area of the birdhouse
    Noah built a birdhouse. The front of the birdhouse is 4 inches wide and 7 inches high. He cut a round door out of the front the area of the door is 5.7 square inches what is the area of the rest of the birdhouse?
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Apr 17, 2009, 06:04 AM

    Are we talking about the surface area of the birdhouse? It seems so.

    The front is 4 x 7. The door is 5.7 square inches.

    We need to know the shape of the birdhouse. Is it a cube? Does it have a pitched roof like many houses?

    If it's a cube, then there are 6 sides and each side is 4 x 7



    However, we have a 5.7 square inch hole that we have to subtract from the area:
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