The perimeter of a rectangle of length 30 cm and breadth 20 cm is equal to the perimeter of a square. What is the length of the side of the square.
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Answer:
....................
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Step-by-step explanation:
2(l+b)=4×side
2(30+20)=4×side
2×50=4×side
100=4×side
side=100/4=25 cm
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