a circle of radius 10cm is cut out from a rectangle piece of aluminium sheet having length 30 cm and breadth 20 cm what is the area of the left over aluminium sheet take Pie is equal to 3.14
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Step-by-step explanation:
hope the calculation isn't wrong.
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Answer:
286cm^2
Step-by-step explanation:
area of rectangle = length ×breadth
=30×20
=600cm^2
area of circle =πr^2
=3.14×10×10
=314cm^2
area left = area of rectangle - area of circle
=286cm^2
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