SOLUTION: the perimeter of a rectangle is 280 cm. the ratio of the width to the length is 3:4. what is the length of the rectangle?
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-> SOLUTION: the perimeter of a rectangle is 280 cm. the ratio of the width to the length is 3:4. what is the length of the rectangle?
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You can put this solution on YOUR website! the perimeter of a rectangle is 280 cm. the ratio of the width to the length is 3:4. what is the length of the rectangle?
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Perimeter = 2(length + width)
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3:4 is the same as 3x:4x where 3x is width and 4x is length.
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Equation:
280 = 2(4x+3x)
140 = 7x
x = 20
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width = 3x = 3*20 = 60 cm
length = 4x = 4*20 = 80 cm
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Cheers,
Stan H.
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