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.
This is called the diameter of the line that passes through the center of the circle. Half of that line is called the radius.
Radius is just a fancy name for half a circle across; a diameter is another fancy name for whole across. So it would be like draw a horizontal line across a circle so if u have the radius...multiply it by two and you have your diameter
another name for a half circle is semi-circle
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
A semicircle is half of a circle, formed by cutting a circle along its diameter line. It has the same curved edge as a circle but only covers half the area. The formula for the area of a semicircle is 1/2 times π times the radius squared.
It is called a protractor.
What name is given to the distance around circle
Half of a revolution of a circle is 180 degrees and its angles added together are supplementary.
"Circle of Life"