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5 November, 11:36

If a rectangle has side lengths x+4 and 2x what is the perimeter and area of the rectangle?

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  1. 5 November, 12:40
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    Perimeter: 6x+8

    Area: 2x²+8x

    Step-by-step explanation:

    Perimeter - the sum of all sides

    So, you do x+4+x+4+2x+2x

    Simplify that to - 2x+2x+2x+8

    And also simplify that to - 6x+8

    Area - length*width

    So, it's (x+4) * 2x

    which is 2x²+8x
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