Circles Basics

• A
• B
• C
• D

What is m∠ACB?

• 67.5°

• 90°

• 22.5°

• 45°

An angle in a circle with vertex on the center of the circle

• Central angle

• Angle

• Inscribed angle

• Circle

The distance around a circle

• Diameter

• Radius

• Circumference

• Area

Use chords to solve

• 34

• 20

• 17

• 18

The length of the chord of a circle, of radius 13 cm, at a distance of 5 cm from the centre is:

• 12 cm

• 18 cm

• 20 cm

• 24 cm

The line segment joining the centre of a circle and the mid point of a chord is.............. to the chord.

• parallel

• collinear

• perpendicular

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

Determine the measure of Arc BA.

• A

• B

• C

• D

• A
• B
• C
• D