Q:
# What Is One Quarter of a Circle Called?

**One-quarter of a circle is called a quadrant.** According to Reference.com, it is also a 90 degree arc. "Quad" is a prefix that means "fourth."

Credit:
Elliot Brown
CC-BY-2.0

There are 360 degrees in a circle. Half of a circle is called a semicircle, and it contains 180 degrees. Whereas there are four quadrants in every circle, there are two semicircles.

The diameter of a circle is a straight line passing through the circle's center and touching the circle at each end. A circle with a horizontal line of diameter and a vertical line of diameter drawn is divided into quadrants. With only one diameter drawn, the circle is divided into semicircles.

Learn more about Shapes-
Q:
## How Do You Convert Circumference to Diameter?

A: To calculate a circle's diameter from its circumference, one should divide the circumference by the constant pi, which is an irrational number approximatel... Full Answer >Filed Under: -
Q:
## How Do You Measure the Diameter of a Round Object?

A: The diameter of a circle is the length of a straight line going from one side of a circle to the opposite side. To measure the diameter, simply choose two ... Full Answer >Filed Under: -
Q:
## How Should You Find the Circumference of a Circle?

A: The circumference of a circle is the distance around the outskirts of the circle. Knowing the radius of any circle allows one to calculate its circumferenc... Full Answer >Filed Under: -
Q:
## Who Invented the Circle?

A: Since circular creations appear throughout nature, no man can be credited with the invention of the circle. From the cross-section of a plant stem to the m... Full Answer >Filed Under: