a(r) = 2pi*r^2 and d = 2r
5 = 2r => r = 5/2
a(r) = 2pi*(5/2)^2
a(r) = 2pi*25/4
a(r) = 25pi/2 or, in decimal form, 39.2699 millimetres2
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.
69
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
Assuming a diameter of 5 inches.The area of this circle is: 19.63
The area of a circle with a 5-inch diameter is: 19.63 square inches.
The area of a semi-circle with a diameter of five is: 9.817 units2
19.63 square inches are in the area of a 5-inch diameter circle.
69
Using 3.14 as Pi the area of circle is: 19.625
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
19.63 square inches.
6.25PI
Around 19.634375 cm
Using 3.14 as Pi the area of circle is: 19.625