the perimeter of a rectangle is 13 cm and the width is 2
3 by 4 cm...find its length
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The answer is l = 3.75 cm
Step-by-step explanation:
given,
perimeter of the rectangle = 13cm
it's breadth = 2 3/4 cm = 11/4 cm = 2.75 cm
2 (l + b) = 13cm
2 (l + 2.75) = 13cm
2l + 5.5= 13 cm
2l = 13 - 5.5
2l = 7.5
l = 7.5 / 2
l = 3.75 cm
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