A circle of radius 7cm. is cut out from a square piece of an aluminum sheet of side 20cm. What is the area of the left over aluminum sheet
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Answer:
32cm²
Step-by-step explanation:
given:-
Radius of circle (r) = 7cm
Area = πr² = 22/7×7² = 22×7 = 154cm²
Side of square (s) = 14cm
Area = s×s = 14×14 = 196cm²
Area of left out aluminium sheet = area of square - area of circle
A = 196-154 = 32cm²
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