25%. 45 degrees. Radius.
Chat with our AI personalities
A full circle is 360o, so a quarter, (one fourth) of a circle is 90o.
Circumference = (4) x (a quarter of a circle) = (pi) x (the diameter)Diameter = (4 x quarter-circle) divided by (pi)Radius = 1/2 the diameter = (2 x quarter-circle) divided by (pi)
A quarter of a circle is called a Quadrant.
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.
10 cm Cutting out a quarter of the circle doesn't affect the radius, which is half of the diameter.