Measuring Angles and 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 minor arc

• AD

• ADB

• AB

• CD

Name a major arc.

• ABD

• BDA

• BCD

• DA

Find the measure of arc AB.

• 17

• 34

• 68

• 146

• A
• B
• C
• D

What is the measure of arc AXB

• 50

• 100

• 180

• 260

What is the measure of arc BD?

• 21

• 31

• 41

• 11

What is the measure of arc AB?

• 140

• 142

• 180

• 153