Circumference.
It is the name given to the straight line from the centre of a circle to its circumference when that distance is 28 cm.
It is the name given to the straight line from the centre of a circle to its circumference when that distance is 36 inches.
That's a radius of the circle.
another name for a half circle is semi-circle
There is no name given to it. (As the number of sides increases, the upper limit of a regular polygon is a circle.)
Circumference.
Circumference
It is the circle's circumference
circumference
the circumference
circumference
circumference
A circle.
Its name shall be called "circle".
That is called an "arc".
It is the name given to the straight line from the centre of a circle to its circumference when that distance is 28 cm.
The word perimeter means the distance around the outside of an object. The perimeter of a circle has a special name. We call it the circumference. The perimeter of this circle, or circumference, is 25 ft.