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
- 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.
A
B
C
Q2.
Find the length of the circumference to three significant figures.
A
B
D
Q3.
Find the length of the circumference in terms of pi.
A
B
C
Q4.
Find the length of the circumference to 3 significant figures.
B
C
D
4 Questions
Q1.
Rearrange the formula that finds the circumference of a circle to make the ‘diameter’ the subject.
A
B
C
Q2.
The circumference of a circle is 35πcm. What is length of the radius?
A
B
C
Q3.
The circumference of this circle is 30cm. What is the diameter to 3 significant figures?
A
C
D
Q4.
The circumference of this circle is 30cm. What is the radius to 3 significant figures?
B
C
D