Mastering Circles: Area & Circumference
Mathematics
Grade 8
12 questions
~24 mins
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A worksheet covering Circles: Area & Circumference for Grade 8 students.
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Mastering Circles: Area & Circumference
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the circumference of a circle with a radius of 7 cm. Use π ≈ 3.14.
[3 marks]2.
Find the area of a circle with diameter 10 cm. Use π ≈ 3.14.
[3 marks]3.
What is the radius of a circle if its circumference is 31.4 cm? Use π ≈ 3.14.
[3 marks]4.
Calculate the area of a circle with radius 4 cm. Use π ≈ 3.14.
[3 marks]5.
A circle has a circumference of 62.8 cm. Find its radius. Use π ≈ 3.14.
[3 marks]6.
What is the diameter of a circle with an area of 50.24 cm²? Use π ≈ 3.14.
[3 marks]7.
If the radius of a circle doubles, by what factor does its area increase?
[2 marks]8.
A circular garden has a radius of 5 meters. What is its area in square meters?
[3 marks]9.
A wheel has a diameter of 0.6 meters. Calculate its circumference.
[3 marks]10.
A pipe is shaped like a circle with radius 2 cm. Find the length of the pipe if it forms a complete circle. Use π ≈ 3.14.
[3 marks]11.
Challenge: A circular pool has a circumference of 94.2 meters. What is its radius? Use π ≈ 3.14.
[4 marks]12.
A circular track has a radius of 100 meters. How long is the track in kilometers?
[4 marks]Quick Actions
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- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet