Q: What is the circumference of a circle 4cm in width?

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The circumference of a circle with a radius of 4cm is: 25.13 cm (r x 2 x pi)

Circumference = Pi X Diameter = 3.1415 X 4cm = 12.566cm

Circumference of a circle = 2*pi*radius or diameter*pi

It is: 2 to 3 respectively

circumference of the circle = 4*pi cm

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The circumference of a circle with a radius of 4cm is: 25.13 cm (r x 2 x pi)

Circumference = Pi X Diameter = 3.1415 X 4cm = 12.566cm

Circumference of a circle = 2*pi*radius or diameter*pi

A circumference of 12.57 cm

It is: 2 to 3 respectively

circumference of the circle = 4*pi cm

The formula for the circumference of a circle is C = πd, π = 3.142, d = 4cm C = 3.142 x 4cm C = 12.568cm

4 times pi. That is about 12.57.

The ratio of the circumference of a circle with radius 4 cm to its area is 1:2.

About 12.56 cm Btw the formula is diameter x pi (3.14)

If by "width" you mean diameter, multiply the width by pi. Pi is roughly 3.14.

No, assuming you mean C is circumference, l is length, and w is width. A circle is round and the components are named differently. The diameter of a circle could be considered (improperly) the width and the circumference could be considered (improperly) the length