What Is Half a Circle Called in Geometry?

Answer

In geometry, a half a circle is called a semicircle. Half of its diameter is known as radius. It is considered as an arc which is one-half of a circle. A circle refers to a plane shape on two dimensional figures with a set of all points on a plane.
Q&A Related to "What Is Half a Circle Called in Geometry"
Half a circle is called a "semicircle" in geometry.
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A half circle protractor measures angles when its straight edge is aligned with one side of the angle. Since angle must measure less than 360 degrees, the shape of a half circle protractor
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The radius of a circle is the distance from the center of a
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An annulus. Area = pi (R 2 - r 2 ) when R is radius of larger circle and r is radius of smaller circle.
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1 Additional Answer
In geometry, half a circle is called a semicircle. A circle is a plane shape (two dimensional) and is defined as the set of all points on a plane that are a fixed distance from the centre.
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