Central Angles and Arc Measures

Front

This is a picture of ___________.

Back

Major Arc

Front

What is the measure of arc AD?

Back

38

Front

This is a picture of ___________.

Back

Minor Arc

Front

This is a picture of ___________.

Back

Chord

Front

This is a picture of ___________.

Back

Radius

Front

Define a Central Angle.

Back

An angle whose vertex is at the center of a circle and whose sides are radii that intersect the circle.

Front

What is a Minor Arc?

Back

An arc that is smaller than a semicircle.

Front

What is a Major Arc?

Back

An arc that is larger than a semicircle.

Front

What is a Semi-Circle?

Back

An arc that represents half of a circle.

Front

Define a Chord.

Back

A line segment whose endpoints lie on the circle.