The circumference of a 7-inch circle is: 22 (21.98)
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Remember the circle equation
C = pi d
Substituting
C = 3.141592....X 7
C = 21.99114858.... units. ~ 22.0 units.
The diameter is 7
circumference of a circle = pie times the diameter = 22/7 x diameter = 22/7 x 7 inches = 22 inches
The circumference of a circle if the diameter is 7 inches and Pi is 3.14 is: about 21.98 inches.
Circumference = 7*pi inches
A circle with a diameter of 7 cm has a circumference of approx 21.991 cm.