Area of circle = pi x radius squared where pi = 3.1416 radius = diameter/2 = 4/2 = 2 ins Area = 3.1416 x 2 x 2 sq.ins. = 12.5664 sq ins
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The area of a circle with a radius of 4 is: 50.27 square units.
The area of a circle with a radius of 4 units is: 50.27 square units.
Area of a circle = pie(3.14)*r*r since, radius = 4 units area = 3.14*4*4 = 50.24 units
Find the area of the circle and divide by 4.
The area of a circle with a radius of 4 feet is: 50.27 square feet.