A metal plate measuring 42cm by 14cm is cut up into small squares of side length 7mm.How many squares will be cut
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Step-by-step explanation:
the answer is 160 it is very simple but pay special towards the unit
first fint the area of circle by the formulae 2*(a+b) where a is 42cm and b is 14cm the answer we get is 112cm now convert 112 cm in mm by multiplying it be 10 the number we get is 1120mm now divide 1120mm by 7mm the final answer is 160 mm 1120/7 = 160 mm thus 160 squares can be cut from the plate
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