Question

a circle of radius 2cm is cut from a square piece of an aluminium sheet of side of 6cm. what is the area of the left over aluminium sheet?(take pi : 3.14)

Answer 1

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Answer 2

Answer:

Steps required to do

1)Calculate the area of square sheet.

2)Calculate the area of circle.

3)To calculate the area of left over aluminium sheet Subtract the area of circle from area of square sheet.

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Given radius of the circle = 2cm

side of the square (a) = 6cm

area of square = a²

= 6²

= 36 cm²

Area of the circle = πr²

= 3.14(2)²

= 3.14(4)

= 12.56 cm²

Area of the sheet that is left = area of square - area of the circle

= (36 - 12.56 )cm²

= 23.44 cm²

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