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Area of Circles - Worksheet 4 - 7th Grade

Medium

Use radius and diameter correctly and leave circle measurements exact in terms of π.

medium: Practice the same exercise types with a fresh numbered set.

18 problems · 15-20 minutes · Skills: geometry, circles, formulas

About This Worksheet

This medium-level worksheet contains 18 problems designed for 7th Grade students practicing area of circles. Medium worksheets introduce larger numbers and varied question formats to deepen understanding and build fluency.

Read labeled dimensions and coordinates. Recall multiplication facts and length units.

  • Use radius and diameter correctly and leave circle measurements exact in terms of π.
  • Check your result using the method in the example before moving to the next question.

How to Solve: Worked Example

Example Problem: A circle has radius 7 cm. Find its area in terms of π.
Solution Steps:
  1. Radius is 7 cm.
  2. Use A = πr².
Answer: 49π cm²
Tip: Check your result using the method in the example before moving to the next question.
1
A circle has radius 4 cm. Find its area in terms of π.
2
A circle has diameter 20 cm. Find its area in terms of π.
3
A circle has radius 9 cm. Find its area in terms of π.
4
A circle has diameter 26 cm. Find its area in terms of π.
5
A circle has radius 1 cm. Find its area in terms of π.
6
A circle has diameter 4 cm. Find its area in terms of π.
7
A circle has radius 5 cm. Find its area in terms of π.
8
A circle has diameter 18 cm. Find its area in terms of π.
9
A circle has radius 13 cm. Find its area in terms of π.
10
A circle has diameter 16 cm. Find its area in terms of π.
11
A circle has radius 8 cm. Find its area in terms of π.
12
A circle has diameter 22 cm. Find its area in terms of π.
13
A circle has radius 14 cm. Find its area in terms of π.
14
A circle has diameter 12 cm. Find its area in terms of π.
15
A circle has radius 6 cm. Find its area in terms of π.
16
A circle has diameter 6 cm. Find its area in terms of π.
17
A circle has radius 12 cm. Find its area in terms of π.
18
A circle has diameter 2 cm. Find its area in terms of π.

Answer Key

1. 16π cm²2. 100π cm²3. 81π cm²4. 169π cm²5. 1π cm²6. 4π cm²7. 25π cm²8. 81π cm²9. 169π cm²10. 64π cm²11. 64π cm²12. 121π cm²13. 196π cm²14. 36π cm²15. 36π cm²16. 9π cm²17. 144π cm²18. 1π cm²

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What skills does this geometry worksheet cover?

This worksheet focuses on geometry, circles, formulas. It is designed for 7th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

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How many problems are on this worksheet?

This worksheet contains 18 problems. It typically takes 15-20 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.