The circle's area is 314.159 cm2
The area is 314 cm2
314.2 square cm
The circumference of a circle with radius of 10cm is: 62.83 cm
It is half of a circle; the circle's radius (and that of the semicircle) is 10 cm.
The area of a 10cm circle is 314.16cm2 ( squared)
3.14*102 = 314 square centimeters
6.28 cm
10cm
20 cm
20 cm
Radius = diameter/2 = 5 cm