Area = ~50.27 cm2
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A circle with a radius of 4 cm has an area of 50.27 square cm.
It is: 16*pi square cm
The circumference of a circle with a radius of 4cm is: 25.13 cm (r x 2 x pi)
its when you leave the answer with ╥ in it e.g. if they go find the area of a circle (Pi.r.r or squared) you find the radius say 4cm then you put in in the formula so piX4X4 so you then find out 4X4 which is 16 so the area of a circle with a radius of 4cm in terms of ╥ is 16╥
4cm