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​​​​Circles, Sectors & Arcs: Quiz 1 – Answers
Part 1
1) 8 cm
2) 12 cm
3) 9 cm
4) 5 cm
5) 6.5 cm
6) 10 cm
7) 24 cm
8) 9 cm
 
Part 2
1)
A = radius
B = diameter
C = chord
D = tangent
 
2)
A = segment
B = sector
 
3)
A = minor segment
B = major segment
C = minor arc
D = major arc
 
4)
A = major sector
B = minor sector
C = major arc
D = minor arc
Working
Questions
Do not use a calculator for the following questions. 

​Part 1 
1) The diagram below shows a circle with a radius of 4 cm. What is the diameter of the circle?
2) The diagram below shows a circle with a radius of 6 cm. What is the diameter of the circle?
3) A circle has a radius of 4.5 cm. What is the diameter of the circle?
4​) The diagram below shows a circle with a diameter of 10 cm. What is the radius of the circle?
5​) The diagram below shows a circle with a diameter of 13 cm. What is the radius of the circle?
​6) A circle has a diameter of 20 cm. What is the radius of the circle?
​7) A circle has a radius of 12 cm. What is the diameter of the circle?
8) A circle has a diameter of 18 cm. What is the radius of the circle?
Part 2
1) The circle below has a variety of different features on it. 
What are the names for each of these features? Note: C is labelling the line and not the area created by the line.
 
2) There is a sector and segment on the circle below. Which label, A or B, is which? 
3) On the circle below we have a minor and major arc and a minor and major segment. Which out of A, B, C and D is which? Note: A and B are areas and C and D are lines.
4) On the circle below we have a minor, and major arc and a minor and major sector. Which out of A, B, C and D is which? Note: A and B are areas and C and D are lines.