8-1 Part 2 - Circles and Arcs

Front

This is a picture of ___________.

Back

Minor Arc

Front

This is a picture of ___________.

Back

Major Arc

Front

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

Back

150°

Front

Name a semicircle.

Back

AD

Front

The Death Star is believed to have had a diameter of around 150 km. What is the radius of the Death Star?

Back

75 km

Front

Define a Minor Arc.

Back

An arc that is less than 180°.

Front

Define a Major Arc.

Back

An arc that is greater than 180°.

Front

What is a Central Angle?

Back

An angle whose vertex is at the center of the circle and whose sides intersect the circle.

Front

What is the relationship between the measure of an arc and the central angle?

Back

The measure of the arc is equal to the measure of the central angle that subtends it.

Front

What is a Semi-Circle?

Back

An arc that measures exactly 180°.