Pre-Assessment Circles

What is the diameter of a circle that has a radius of 17 in?

• 17 in

• 8.5 in

• 34 in

• 53.38 in

What is the circumference of a circle whose radius is 5 cm? (Use 3.14 for pi)

• 31.4 cm

• 10 cm

• 25.6 cm

• 2.5 cm

What is the circumference of a circle whose diameter is 20 in? (Use 3.14 for pi)

• 31.4 in

• 62.8 in

• 3.14 in

• 64.7 in

What is the area of a circle whose radius is 2 in? (Use 3.14 for pi)

• 3.14

• 6.28

• 9.42

• 12.56

Using the diagram above to identify the diameter of the circle.

• 81 units

• 13.5 units

• 10.1 units

• 101.3units

Find the diameter of the circle.

• 5 units 

• 4 units

• 12.2 units

• 7.5 units

What is this called?

• Chord

• Minor Arc

• Circumference

• Secant

This is a picture of ___________.

• Major Arc

• Minor Arc

• Central Angle

• Inscribed Angle

Is this statement right?

The blue line = circumference.

• Yes

• No

Which segment is a radius?

• LM

• DC

• BD

• ML