Circles Arc Measures Geometry

Arcs in a circle that have exactly one point in common

• Adjacent Arcs

• Intercepted Arcs

• Congruent Arcs

• Centripetal Arcs

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees. 

• It measures less than 180 degrees.

Which is true of a major arc?

• Forms half a circle.

• Forms a whole circle.

• Measures greater than 180 degrees.

• Measures less than 180 degrees.

Name a major arc.

• ABD

• BDA

• BCD

• DA

What is the measure of arc AD?

• 38

• 142

• 180

• 153

If the endpoints of an arc lie on a diameter, the arc is a ....

• major

• minor

• semicircle

• sector

In a circle, if a diameter is is perpendicular to a chord, then:

• it bisects the chord

• it bisects the corresponding arc

• it bisects BOTH the chord and its arc

• none of these answers are correct

Find the measure of arc AB.

• 17

• 34

• 68

• 146

Solve for x.

Name a minor arc

• AD

• ADB

• AB

• CD