19 Questions

Questions and Answers

- 1.The distance between two points on a circle, passing through the circle's centre, is the
- A.
Radius

- B.
Diameter

- C.
Chord

- D.
Perimeter

- E.
Circumference

- 2.The distance from the centre of a circle to any point on the edge is the
- A.
Perimeter

- B.
Tangent

- C.
Circumference

- D.
Radius

- E.
Diameter

- 3.The distance around the outside edge of a circle is the
- A.
Circumference

- B.
Radius

- C.
Diameter

- D.
Perimeter

- E.
Chord

- 4.The perimeter of a circle divided by it's diameter is known as
- 5.Pi is an irrational number, meaning that it has an infinite number of decimal places with no recurring pattern.
- A.
True

- B.
False

- 6.Pi can also be approximated by the fraction
- A.
21/7

- B.
24/7

- C.
22/7

- D.
23/7

- 7.Taking pi = 3.14, what is the circumference of this circle?
- 8.Taking pi = 3.14, what is the circumference of this circle?
- 9.Taking pi = 3.14, what is the circumference of this circle?
- A.
18.84 m

- B.
37.68 m

- C.
31.41 m

- 10.Taking pi = 3.14, what is the circumference of this circle?
- A.
31.4 m

- B.
15.7 m

- C.
78.5 m

- 11.Taking pi = 3.14, what is the area of this circle (in square metres)?
- 12.Taking pi = 3.14, what is the area of this circle (in square metres)?
- A.
18.84

- B.
9.42

- C.
22.7

- D.
28.26

- 13.Taking pi = 3.14, what is the area of this circle (in square metres)?
- 14.What is the diameter of a circle that has a circumference of 28 cm?
- A.
8.92 cm

- B.
9 cm

- C.
87.92

- 15.What is the radius of a circle that has a circumference of 45 km?
- A.
14.34 km

- B.
7.17 km

- C.
141.3 km

- 16.What is the radius of a circle that has an area of 78 cm
^{2}? - 17.What is the diameter of a circle that has an area of 85 m
^{2}? - 18.What is the perimeter of this semicircle?
- A.
40.84 m

- B.
20.42 m

- C.
33.42 m

- 19.