A semi-circular driveway.
It is a semi-circle
It is called a protractor.
Half of a revolution of a circle is 180 degrees and its angles added together are supplementary.
Radius is the name for half the diameter of a circle. A pyramid is not associated with a circle therefore it cannot have a radius. The closest shape would be a cone.
This is called the diameter of the line that passes through the center of the circle. Half of that line is called the radius.
another name for a half circle is semi-circle
Another name for half a circle is a semicircle.
It is a semi-circle
semi circle
Yes, the word 'Arctic Circle' is a proper noun, the name of a specific region of the world.
hemisphere
There is no specific name.
Hemisphere
Each meridian is a half-circle from the north pole to the south pole of the earth.
It is called a protractor.
"Circle of Life"
The Arctic Circle