a hemisphere
A circle in a solid is called a cross-section.
semicircleA half circle is called a semicircle.Half a circle is a semi-circle
Semi = half
A semi-circle
a hemisphere
A circle in a solid is called a cross-section.
Half a circle is called a semi-circle. Sometimes it is called a half-moon.
Half a circle is called a "semicircle" in geometry.
semicircleA half circle is called a semicircle.Half a circle is a semi-circle
Semi = half
A solid in the shape of a circle is called a cylinder.
Half the diameter of a circle is called its radius.
A semi-circle
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.
A semi-circle
Half a circle is called a semicircle