The sum of the lenghts of a rectangle is 70% of its perimeter. The perimeter of the rectangle is 40cm. What is the length of the rectangle?Step by step explain answer plz?
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length of rectangle = 70% of rectangle's perimeter
perimeter of rectangle = 40cm
Exact length of rectangle = 70 ÷ 100 × 40
= 28
= length of rectangle = 28
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