Parts of a Circle 1

Front

What is a Chord in a circle?

Back

A chord is a line segment that connects any two points on the circle but does not have to go through the center.

Front

What is a Radius in a circle?

Back

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

Front

What is a Diameter in a circle?

Back

A diameter is a chord that passes through the center of the circle and is twice the length of the radius.

Front

What is the Circumference of a circle?

Back

The circumference is the distance around the circle.

Front

What is the Center of a circle?

Back

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

Front

How is the Diameter related to the Radius?

Back

The diameter is equal to 2 times the radius.

Front

What is the relationship between a Chord and a Diameter?

Back

A diameter is a special type of chord that passes through the center of the circle.

Front

Can a Chord be longer than a Radius?

Back

Yes, a chord can be longer than a radius if it is a diameter.

Front

What is the formula for the Circumference of a circle?

Back

The formula for the circumference is C = πd, where d is the diameter.

Front

What is the formula for the area of a circle?

Back

The formula for the area is A = πr², where r is the radius.