A string is used to make a reactangle of length 25 cm and breadth 15 cm. If the same string is bent into
an octagon, find the length of the side of the octagon.
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Step-by-step explanation:
the perimeter of the rectangle which is also equal to the length of the rope is 25+25+15+15=80
assuming we are making a regular octagon
the no. of sides of an octagon is 8
8×a=80
a=10
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