from a circular sheet of radius 5cm , a circle of radius 4 cm is removed . find the area of remaining sheet
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Answer:
Area of the remaining sheet=28.29cm^2
Step-by-step explanation:
Area of the circular sheet of radius 5 cm
=22/7*5*5
=550/7----------------(1)
Area of the circular sheet of radius 4 cm (which is removed)
=22/7*4*4
=352/7----------------(2)
THEREFORE,
Area of the remaining sheet
=(1)-(2)
=550/7-352/7
=198/7
=28.2857..... cm^2
=28.29 cm^2 (approx)
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