It is a half a circle
STUPID!!!!!
Chat with our AI personalities
A semicircle has 180 degrees
It is 27.49 units.
it is the diameter
One. The line of symmetry for a 180 degree arc (a semicircle) is the line that bisects the arc.
The perimeter of a semicircle with radius R is pi*R + 2*R = R*(pi + 2)