Q: How do you find the circumphrence of a circle?

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all you have to do is find a line with two endpoints on the circle also a diameter is the longest chord on a circle that runs through the middle of the circle.

Find the area of the circle and divide by 4.

Area of a circle = pi*radius2

find the radius of a circle with circumference of 42.1

The director circle of a circle with radius r is a concentric circle with radius r*sqrt(2).

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Equation: circumphrence = diameter * Pi (3.14159)

An engine isn't round, so it would be very difficult to measure the circumference.

all you have to do is find a line with two endpoints on the circle also a diameter is the longest chord on a circle that runs through the middle of the circle.

You can find the Antarctic Circle in the Southern Hemisphere.

Find the area of the circle and divide by 4.

Area of a circle = pi*radius2

It is twice the radius of a circle

You can find the angle of a triangle within a circle segment using the circle theorems.

To find the area of the circle pi*radius*squared and subtract the area of the figure inside

find the radius of a circle with circumference of 42.1

Arctic Circle

The director circle of a circle with radius r is a concentric circle with radius r*sqrt(2).