Area of a circle: pi times radius squared
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Area of half a circle in square m = pi*radius2 divided by 2
Area = pi*r2Area = pi(1.5 m)2= 7.1 meters2=========
Using 3.14 as Pi the area of circle is: 153.86
Let the radius of the circle be r [m]. area of the circle = pi * r^2 circumference = 2 * pi * r given: pi * r^2 = 28 [m^2] Therefore, r = square root of (28/pi) = 2.99 [m]. circumference = 2 * pi * 2.99 = 18.76 [m]
The area of a circle with a diameter of 9.4 m is: 69.4 m2