find the area of the circle whose diameter are given below 40 cm
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d=40cm
r=20 cm
area of circle=πr^2
=22/7×20×20
=8800/7
=1257.14cm^2
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Answer:
d = r/2 = 40/2 = 20cm
Area of circle =πr^2
Area of circle=22/7*(20)^2
Area of circle=22*400/7=8800/7=1257.14 cm2
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