Quick Flashcard 5A Arc Measures

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 more than 180 degrees.

Front

What is a semicircle?

Back

A semicircle is an arc that measures exactly 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 relationship between the central angle and the arc length?

Back

The arc length is directly proportional to the central angle.

Front

If the central angle is 90 degrees, what is the measure of the minor arc?

Back

The measure of the minor arc is 90 degrees.

Front

If the central angle is 270 degrees, what is the measure of the major arc?

Back

The measure of the major arc is 90 degrees.

Front

What is the formula for the arc length of a circle?

Back

The arc length (s) can be calculated using the formula: s = r * θ, where r is the radius and θ is the central angle in radians.

Front

How do you convert degrees to radians?

Back

Front

What is the measure of a full circle in degrees?

Back

The measure of a full circle is 360 degrees.