Q.1
What is the area of a circle with a radius of 7 cm (to one decimal place)?
  • 53.9 cm
  • 153.9 cm
  • 315.9 cm
  • 513.9 cm
Q.2
A circular lawn has a 20 m radius. What is the approximate circumference of the lawn?
  • 100 m
  • 126 m
  • 150 m
  • 175 m
Q.3
A line which passes through the center of a circle and joins two points on its circumference is called a .......
  • centre line
  • circumference
  • diameter
  • radius
Q.4
The distance measured around a circle is called the .......
  • brim
  • circumference
  • diameter
  • radius
Q.5
What can be calculated using π r ?
  • Area of a circle
  • Circumference of a circle
  • Diameter of a circle
  • Volume of a circle
Q.6
What is the correct formula for the circumference of a circle?
  • C = 2πr
  • C = 2πd
  • C = 2π
  • C = 3πr
Q.7
The area of a circular lawn is 628 m . How far is it across to the nearest meter?
  • 20
  • 24
  • 28
  • 32
Q.8
To the nearest square meter, what is the area of a circular pool with a radius of 10 m?
  • 114 m2
  • 214 m2
  • 314 m2
  • 414 m2
Q.9
A line which joins the center of a circle to a point on the circumference is called a .......
  • centre line
  • diameter
  • half distance
  • radius
Q.10
A round table has a diameter of 200 cm. What is the approximate circumference of the table?
  • 286 cm
  • 628 cm
  • 1,256 cm
  • I need to know the radius first
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