Year 10
Foundation

Find the Diameter or Radius when given the Circumference

Year 10
Foundation

Find the Diameter or Radius when given the Circumference

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Lesson details

Key learning points

  1. In this lesson, we will find the diameter or radius of a circle when given the circumference. This lesson will involve rearranging the formula for the circumference of a circle.

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4 Questions

Q1.
Find the length of the circumference in terms of pi.
An image in a quiz
A
B
C
Correct answer: D
Q2.
Find the length of the circumference to three significant figures.
An image in a quiz
A
B
Correct answer: C
D
Q3.
Find the length of the circumference in terms of pi.
An image in a quiz
A
B
C
Correct answer: D
Q4.
Find the length of the circumference to 3 significant figures.
An image in a quiz
Correct answer: A
B
C
D

4 Questions

Q1.
Rearrange the formula that finds the circumference of a circle to make the ‘diameter’ the subject.
An image in a quiz
A
B
C
Correct answer: D
Q2.
The circumference of a circle is 35πcm. What is length of the radius?
An image in a quiz
A
B
C
Correct answer: D
Q3.
The circumference of this circle is 30cm. What is the diameter to 3 significant figures?
An image in a quiz
A
Correct answer: B
C
D
Q4.
The circumference of this circle is 30cm. What is the radius to 3 significant figures?
An image in a quiz
Correct answer: A
B
C
D