FA 3.1 Parts of a circle

Front

What is a chord in a circle?

Back

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

Front

What is the diameter of a circle?

Back

The diameter is a chord that passes through the center of the circle and is the longest chord.

Front

What is the radius of a circle?

Back

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

Front

How is the radius related to the diameter?

Back

Front

What is the center of a circle?

Back

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

Front

What is an arc in a circle?

Back

An arc is a part of the circumference of a circle.

Front

What is the circumference of a circle?

Back

Front

What is the formula to find the area of a circle?

Back

Front

If the diameter of a circle is 10 m, what is the radius?

Back

The radius is 5 m.

Front

What is a central angle in a circle?

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides are radii.