Q: How to calculate the diameter of a circle when the circumference of the circle is 7?

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Circumference of the circle = 7*pi feet

7/pi = diameter

The circumference is about 22 units.

The circumference of a circle with a diameter of 7m is 21.98 m

The formula relating circumference and diameter is C = d*pi, so the diameter is 7/pi.

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Approx. circumference = multiply diameter by 22 and divide the product by 7. Exact circumference = Pi x diameter.

Pi is 22/7. Therefore, the equation for finding the circumference of a circle using fractions is: 22/7 mutiplied by the diameter of the circle :)

Circumference of the circle = 7*pi feet

diamiter X pi( 3.14...) in this case aprx. 21

The circumference of a circle with a 28 unit diameter is: 88cir=dx22/7

The diameter is 7

7/pi = diameter

length(L) of the diameter is called as the circumference........... L=∏*D.........where ∏ is 'pi' and equivalent to 22/7. and 'D' is the diameter of the circle.

circumference of a circle = pie times the diameter = 22/7 x diameter = 22/7 x 7 inches = 22 inches

The circumference of a 7 feet diameter circle is: about 21.99 feet.You can easily to this calculation for other circles by multiplying the diameter by Pi (about 3.1416). The result is the circle's diameter.

The circumference is about 22 units.

The circumference of a circle if the diameter is 7 inches and Pi is 3.14 is: about 21.98 inches.