Arcs and Angles

Front

What is the measure of arc KJ?

Back

72

Front

Inscribed angle: an angle with its vertex _____________ the circle.

Back

on

Front

Find m∠PQR.

Back

90°

Front

What is this called? (Central Angle, Radius, Major Arc, Inscribed Angle)

Back

Central Angle

Front

Find the measure of arc JLM.

Back

245

Front

What is an arc in a circle?

Back

A portion of the circumference of a circle.

Front

What is a central angle?

Back

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

Front

What is the relationship between an inscribed angle and the arc it intercepts?

Back

The inscribed angle is half the measure of the intercepted arc.

Front

Define a major arc.

Back

An arc that measures more than 180 degrees.

Front

Define a minor arc.

Back

An arc that measures less than 180 degrees.