Parts of a Circle 1

Front

What is the circumference of a circle?

Back

The circumference is the perimeter or the distance around the circle.

Front

What connects any two points on the circle without passing through the center?

Back

A chord connects any two points on the circle.

Front

What connects two points on the circle and passes through the center?

Back

A diameter connects two points on the circle and passes through the center.

Front

What is the longest chord in a circle?

Back

The diameter is the longest chord in a circle.

Front

What is the distance from the center of the circle to any point on the circle?

Back

The radius is the distance from the center to any point on the circle.

Front

What is the relationship between diameter and radius?

Back

The diameter is twice the length of the radius.

Front

What part of the circle is the center?

Back

The center is the point that is equidistant from all points on the circle.

Front

What is the formula to calculate the circumference of a circle?

Back

The formula is C = πd or C = 2πr, where d is the diameter and r is the radius.

Front

What is a chord?

Back

A chord is a line segment with both endpoints on the circle.

Front

What is the radius of a circle?

Back

The radius is a line segment from the center of the circle to any point on the circle.