HGEO Ch. 10 Circles

Front

What is the standard equation of a circle?

Back

Front

What is a minor arc in a circle?

Back

A minor arc is a portion of a circle that measures less 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. The measure of the arc is equal to the measure of the central angle.

Front

What is the relationship between the diameter and radius of a circle?

Back

Front

What is the measure of a semicircle?

Back

A semicircle measures exactly 180 degrees.

Front

What is the formula for the circumference of a circle?

Back

Front

What is the area of a circle?

Back

Front

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

Back

A major arc measures more than 180 degrees, while a minor arc measures less than 180 degrees.

Front

How do you calculate the length of an arc?

Back

Front

What is the relationship between the angles formed by intersecting chords in a circle?

Back

The measure of the angle formed by two intersecting chords is equal to half the sum of the measures of the arcs intercepted by the angle.