Naming Arcs

Name the major arc.

• Major arc IQJ

• Major arc IKJ

• Minor arc IJ

• Minor arc IK

Answer explanation

Arc IKJ is a major arc because it has three letters and measures more than 180º. It corresponds to angle IQJ because they both have the same endpoints: I and J.

Name the minor arc.

• Minor arc IJ

• Minor arc HJ

• Minor arc IH

• Centrtal angle IQJ

Answer explanation

Arc IJ is a minor arc because it has two letters and measures less than 180º. It is corresponds to angle IQJ because they both have the same endpoints: I and J.

Name the major arc.

• Major arc ZWY

• Major arc ZWX

• Major arc XYW

• Central angle ZQX

Answer explanation

Arc ZWX is a major arc because it has three letters and measures more than 180º. It corresponds to angle ZQX because they both have the same endpoints: Z and X.

Name the minor arc.

• Minor arc IJ

• Major arc IKJ

• Minor arc IK

• Major arc IQJ

Answer explanation

Arc IJ is a minor arc because it has two letters and measures less than 180º. It is corresponds to angle IQJ because they both have the same endpoints: I and J.

Arc WY

• Minor Arc

• Secant

• Chord

• Radius

AXB is a

• Minor arc

• Major arc

Name the minor arc.

• Minor arc HJ

• Minor arc IJ

• Central angle HQJ

• MInor arc HI

Answer explanation

Arc HJ is a minor arc because it has two letters and measures less than 180º. It is corresponds to angle HQJ because they both have the same endpoints: H and J.

Name the major arc.

• Major arc YXZ

• Major arc YZX

• Major arc ZYX

• Central Angle YQX

Answer explanation

Arc YZX is a major arc because it has three letters and measures more than 180º. It corresponds to angle YQX because they both have the same endpoints: Y and X.

Name the arc made by the given angle.

• A

• B

• C

• D

What is the length L called?

• circumference

• tangent

• arc

• sector