The circumference of a circle is 6.28. What is the area of the circle?

| May 7, 2018

Area of the circle is ##3.14##
Let the radius of the circle be ##r##.
##:.##Circumference ##=2pir=6.28##
##:.pir=3.14##
##:.r=3.14/pi=1.## [ ##pi=3.14##].
##:.r=1.##
Now Area ##=pir^2=pi*(1)^2=pi=3.14##
##:.##Area of the circle is ##3.14## (answer).

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