The area of a circle is pi multiplied by "'r' (radius) squared"
"r" is 2.5 (half of the diameter)
"r squared" is 2.5*2.5 which is 6.25.
In terms of pi, the area of the specified circle is 6.25[pi] units squared
Pi's rounded answer is 3.14. So in an answer not in terms of pi, you would multiply 6.25 and 3.14. That equals 19.625 units squared
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Assuming a diameter of 5 inches.The area of this circle is: 19.63
19.63 square inches are in the area of a 5-inch diameter circle.
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diameter= 5m radius= diameter/2 = 5/2 =2.5m area of the circle= πr*r =22/7*2.5*2.5 =19.64....m
19.63495 square units