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side of a square bed is 3 m 80 cm long it is extended by digging a string 50 cm wide all around it find the area of the largest flower bed and also the increase in the area of flower bed |
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Answer» Each side of flower bed = 3.8 mArea = 3.8× 3.8Area of flower bed before extension= 14.44 sq mIf it is extended by digging a strip of 50 cm wide all around it, then the new side will be = 3.8 + 1.0 = 4.8 mArea of the flower bed after extension = 4.8× 4.8Area of enlarged flower bed = 23.04 sq mIncrease in the area of flower bed = 23.04 - 14.44= 8.6 sq m |
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