Circle Chord Properties

Find the measure of arc AB.

• 17

• 34

• 68

• 146

What do we call the red line?

• Chord

• Arc

• Diameter

• Segment

• Not enough information

Find the measure of Arc MN

• 96

• 114

• 228

• 48

Find the measure of Arc MN

• 74

• 148

• 37

• 106

A segment whose endpoints lie on a circle is a _______.

• tangent

• chord

• diameter

• secant

Is this a minor arc or major

• Minor

• Major

Why is angle ABC + angle ADC = 180⁰ ?

• angles in opposite segments are supplementary

• angles in same segment

• angle at centre is twice angle at circumference

• sum of angles on a straight line

Why is angle BAC =90⁰ ?

• tangents to circle

• tangents to circle from external point

• right angle in semi-circle

• angles in same segment

Find the measure of angle MNQ.

• 89

• 45

• 158

• 22