42.c Measure of Arcs and Angles

Front

What is a minor arc?

Back

A minor arc is an arc that measures less than 180 degrees.

Front

What is a major arc?

Back

A major arc is an arc that measures greater than 180 degrees.

Front

Identify a major arc from the following: LKN, LMN, LN, MN.

Back

LMN is a major arc.

Front

What is the measure of a minor arc?

Back

A minor arc measures less than 180 degrees.

Front

What is the measure of arc RQT if it is given as 224°?

Back

The measure of arc RQT is 224°.

Front

If the measure of arc ABC is 210°, what is the measure of arc AC?

Back

The measure of arc AC is 150°.

Front

What is the relationship between the measures of a minor arc and a major arc?

Back

The measure of a minor arc is less than 180 degrees, while the measure of a major arc is greater than 180 degrees.

Front

How do you find the measure of an arc in a circle?

Back

The measure of an arc can be found using the central angle that subtends the arc.

Front

What is the formula to calculate the measure of a central angle?

Back

The measure of a central angle is equal to the measure of the arc it intercepts.

Front

What is the difference between a semicircle and a minor arc?

Back

A semicircle measures exactly 180 degrees, while a minor arc measures less than 180 degrees.