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Level 5-6 Shapes - Circles

To the nearest square metre, what is the area of a circular pool with a radius of 10 m? Dive into question 6 for the answer. (Picture courtesy of comfortablehomedesign)

Level 5-6 Shapes - Circles

In Maths, in any circle the ratio of the distance around the curved perimeter to the distance across the circle through the centre is the Greek letter π (pi) and has a value of just over 3.

Which of these options do you prefer?

  1. The distance measured around a circle is called the .......

  2. A line which joins the centre of a circle to a point on the circumference is called a .......

  3. A line which passes through the centre of a circle and joins two points on its circumference is called a .......

  4. What can be calculated using π r2?

  5. What is the area of a circle with a radius of 7 cm (to one decimal place)?

  6. To the nearest square metre, what is the area of a circular pool with a radius of 10 m?

  7. The area of a circular lawn is 628 m2. How far is it across to the nearest metre?

  8. What is the correct formula for the circumference of a circle?

  9. A circular lawn has a 20 m radius. What is the approximate circumference of the lawn?

  10. A round table has a diameter of 200 cm. What is the approximate circumference of the table?

Quiz written by Andy Lawson

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