Circle Perimeter And Area

19 Questions | By Joeldodd | Last updated: Jul 30, 2011 | Total Attempts: 1568

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Tests the student's understanding of basic circle measurement concepts, and practices the calculation skills for perimeter and area of circles.

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 cm²?
17.

What is the diameter of a circle that has an area of 85 m²?
18.

What is the perimeter of this semicircle?
- A.
  
  40.84 m
- B.
  
  20.42 m
- C.
  
  33.42 m
19.

To the nearest whole number, what is the area of the above shape (in square metres)?

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