75% of a circle.
A circle doesn't have even a single vertex.
360 degrees are in a comlete circle
There are 360 degrees around a circle
There really isn't much to memorize. The unit circle is a circle with a radius of 1.
It is that much.
No. The circumference of a circle is the length around the circle, much like the perimeter of a square.
No, it is much further south than the Arctic Circle.
not sure There are two main lengths that are pertinent to a circle, namely, the diameter of the circle and its circumference, the phrase "length of a circle" does not convey much meaning.
Too much.. thats how much
Half circle plus quarter circle is equal to three-fourths of a circle. Three-fourths of a circle plus one eighth of a circle is seven-eighths. You still need one more eighth to complete the circle.
The answer depends on the square!