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Math Help - Rectangle equation

  1. #1
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    Smile Rectangle equation



    a) what is the preimeter of the rectangle in terms of X? in other words, find the perimeter.

    b) If the perimeter is 78 cm., find the dimensions of the rectangle. Show all your work.

    c) Verify that the area of this rectangle is 360 sq. cm. Explain how you know this.
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by peachgal View Post


    a) what is the preimeter of the rectangle in terms of X? in other words, find the perimeter.

    b) If the perimeter is 78 cm., find the dimensions of the rectangle. Show all your work.

    c) Verify that the area of this rectangle is 360 sq. cm. Explain how you know this.
    The perimeter of a rectangle is P = 2l + 2w where l is the length and w is the width.

    -Dan
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  3. #3
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    Quote Originally Posted by topsquark View Post
    The perimeter of a rectangle is P = 2l + 2w where l is the length and w is the width.

    -Dan
    that makes sense I just couldn't figure out what equation to set up
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