A circle of radius 14cm is cut from a square piece of aluminium sheet of side 28cm. What is the area of the left over aluminium sheet?(take =227)
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Answer:
The area of the square piece of sheet =(side)
2
=6
2
cm
2
=36 cm
2
The area of the cutter out circle =πr
2
cm
2
=π×2
2
cm
2
∴ leftover aluminum sheet area=36−3.14×4
∴ leftover aluminum sheet area=23.44 cm
2
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Answer:
615.44 cm sq area of circle area of sheet is 784 cm sq area left 168.44
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