The longer side of the rectangle is 5/3 part of the shorter one. If the shorter one is 21 cm , find the perimeter of the rectangle
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To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides.
Acyuskenz:
It’s not coming the right answer
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small side = 21 cm
large side = 5/3 × 21 = 35 cm
Perimeter = 2(21 + 35)
= 2 × 56
= 112 cm
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