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- 1. Multiple Choice
Is the red line a radius or diameter of the circle?RadiusDiameter - 2. Multiple Choice
Name the pictured part of the circle.
Radius
Central Angle
Diameter
Center
Arc
- 3. Multiple Choice
Name the pictured part of the circle.
Diameter
Sector
Radius
Chord
Arc
- 4. Multiple ChoiceA diameter is also a chord.TrueFalse
- 5. Multiple ChoiceWhat is the diameter?816104
- 6. Match
Match the following.
Major Arc
Minor Arc
Semicircle
- 7. Match
Match the following. The arrow is pointed at what part of the circle.
Central Angle
Inscribed Angle
Intercepted Arc
- 8. Multiple Choice
How many degrees are there in a circle?
90
180
360
720
- 9. Multiple Choice
Find the circumference with a diameter of 18.4 km. Use 3.14 for pi.
23.7 km
57.8 km
19.3 km
59.1 km
- 10. Multiple Choice
Find the circumference of the circle.
31.4 cm
78.5 cm
314 cm
15.7 cm
- 11. Multiple ChoiceThe radius of the circle is 9 meters. What is the circle's circumference?9 meters28.26 meters56.52 meters18 meters
- 12. Multiple Choice
Find the area of the circle, giving your answer to 1 decimal place.
113.1cm2
28.3cm2
6.3cm2
37.7cm2
- 13. Multiple Choice
Find the area of the circle, giving your answer to 1 decimal place.
154.0cm2
38.5cm2
38.4cm2
153.9cm2
- 14. Multiple ChoiceWhat does area mean?the distance around a shapehalf the distance around a shapethe amount of space outside a shapethe amount of space inside a shape
- 15. Multiple Choice
What is the formula for finding the area of a circle?
- Answer choicesTagsAnswer choicesTags