A semi-circle
Chat with our AI personalities
In order to fully understand what the radius of a given circle is, you must know the diameter. The diameter is the distance across the circle through the center. The radius of a circle is half the diameter. For example, if the diameter of a circle is 8 inches, then the radius would be 4 inches.
a hemisphere
The center of a circle is the point from which all points on the circle are equidistant.
semicircleA half circle is called a semicircle.Half a circle is a semi-circle
Semi = half