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Q: What is half a circle?

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Coca cola

another name for a half circle is semi-circle

John Stith Pemberton

semicircleA half circle is called a semicircle.Half a circle is a semi-circle

a half circle? a half? semi circle? half sphere?

half of the radius the radius is half of the diameter the diameter is the with of the circle. This also can be called a quadrent circle.

Half a circle is called a SEMI-CIRCLE

Half a circle is called a "semicircle" in geometry.

A half circle is called a semicircle.

The radius is half of the diameter of a circle.

Another name for half a circle is a semicircle.

Fold it in half.

Semi = half

Half the diameter of a circle is called its radius.

C-O-C-O-C-O-L-A

In degrees? If so then a full circle is 360 degrees, so a half circle is 180 degrees.

If the half circle is on its flat side, the radius is its height. If the straight part of the half-circle is vertical, the radius is its width.

Let r be the radius of the circle. Then the perimeter of the half circle is pi*r + 2r. That is half of the circumference plus the diameter.

half a circle with another small half a circle in it.

Half (1/2) equals 50%.

The half of a diameter of a circle is known as a radius.

Semi-circle

It is a semi-circle

Not really because a semi-circle is a half-circle so only half of it is completley round.

Half a circle is called a semicircle