A quarter of a circle or a quadrant!
Concentric Circles?
A quarter of a circle, formed by two radii forming a right angle at the centre, is called a quadrant.
The quadrant is the one of the four quaters of a circle. It is the math term for a 1/4 of a circle.
If the radius of the circle is r, then the area of the quadrant is 0.25*pi*r^2
Trirant
A quarter of a circle is called a Quadrant.
The word for three quarters of a circle is "quadrant." A quadrant is a sector equal to one fourth of a circle, so three quadrants make up three quarters of a circle. Each quadrant measures 90 degrees, totaling 270 degrees for three quarters of a circle.
Eccentric circles.
A quadrant.
1
A quadrant.
Quadrant