radius = (14*pi)/(2*pi) = 7
area = pi*72 = 153.938 square units to 3 dp
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Area = pi*72 square cm Circumference = pi*14 cm
Circumference: 14*pi mi Area: 49*pi square mi
Circ = 14 pi in, area = 49 pi sq in.
Circumference of a circle = 2*pi*radius or diameter*pi Area of a circle = pi*radius2
Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or pi*diameter