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
The area of a 10cm circle is 314.16cm2 ( squared)
It is half of a circle; the circle's radius (and that of the semicircle) is 10 cm.
Radius = diameter/2 = 5 cm
A circle with a radius of 10 cm has a circumference of 62.83 cm.