A = 38.52 cm2
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The circumference of a circle whose area is 16 times the area of a circle whose diameter is 1.4m is: 17.6 cm
124
Radius of circle is the square root of 154/pi = 7 units rounded
Radius of circle: 44/2*pi = 7 rounded Area of circle: pi*7 squared = 154 square cm rounded
The area of a circle whose diameter is 12 inches is: 113.1 square inches.