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Q: How do you find diameter of circle?

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The diameter is found by measuring across the center of the circle.

Diameter = circle's circumference/pi

The width, or the length of a circle are its diameter.

Diameter of a circle = circumference/pi

Divide the known circumference by pi to find the diameter of the circle.

Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.

It is twice the radius of a circle

-- Find the circumference of a full circle with a diameter of 12 mm.-- The perimeter of the semi-circle is(1/2 the circumference of the full circle) + (the diameter).

The circumference of a circle is the diameter times pi (3.14)

The diameter of a circle is simply twice the radius of the circle. The radius is a line that starts from the center of the circle to the circumference of the circle. The diameter is a line that passes through the circle. diameter=2xradius

To get the circumference of a circle first you have to find the diameter of the circle and multiply the diameter by Pi (3.14 in short). so it is the diameter * Pi.

By multiplying the diameter by pi, since the circumference of a circle is 3.14 times the diameter.

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