Do these worksheets use 3.14 or the π key?

Answers use π = 3.14 and are rounded to two decimals, which matches most textbooks. Students using a calculator's π key may see answers off by a few hundredths.

How do I print or save these worksheets as a PDF?

Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.

Can I get a fresh set of problems?

Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.

Is this worksheet generator free?

Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.

Area of a circle worksheet generator

Create circle practice using π = 3.14. Students can work from the radius or the diameter, and switch between area and circumference.

Area of a Circle

Name: Date:

1.
Circle with radius 15 cm. Area? (π = 3.14)
2.
Circle with radius 5 cm. Area? (π = 3.14)
3.
Circle with radius 8 cm. Area? (π = 3.14)
4.
Circle with radius 13 cm. Area? (π = 3.14)
5.
Circle with radius 8 cm. Area? (π = 3.14)
6.
Circle with radius 6 cm. Area? (π = 3.14)
7.
Circle with radius 2 cm. Area? (π = 3.14)
8.
Circle with radius 12 cm. Area? (π = 3.14)
9.
Circle with radius 15 cm. Area? (π = 3.14)
10.
Circle with radius 13 cm. Area? (π = 3.14)
11.
Circle with radius 7 cm. Area? (π = 3.14)
12.
Circle with radius 15 cm. Area? (π = 3.14)
13.
Circle with radius 14 cm. Area? (π = 3.14)
14.
Circle with radius 15 cm. Area? (π = 3.14)
15.
Circle with radius 10 cm. Area? (π = 3.14)
16.
Circle with radius 4 cm. Area? (π = 3.14)
17.
Circle with radius 8 cm. Area? (π = 3.14)
18.
Circle with radius 5 cm. Area? (π = 3.14)
19.
Circle with radius 12 cm. Area? (π = 3.14)
20.
Circle with radius 13 cm. Area? (π = 3.14)

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Area of a Circle — Answer Key

Name: Date:

1.
Circle with radius 15 cm. Area? (π = 3.14)
706.5 cm²
2.
Circle with radius 5 cm. Area? (π = 3.14)
78.5 cm²
3.
Circle with radius 8 cm. Area? (π = 3.14)
200.96 cm²
4.
Circle with radius 13 cm. Area? (π = 3.14)
530.66 cm²
5.
Circle with radius 8 cm. Area? (π = 3.14)
200.96 cm²
6.
Circle with radius 6 cm. Area? (π = 3.14)
113.04 cm²
7.
Circle with radius 2 cm. Area? (π = 3.14)
12.56 cm²
8.
Circle with radius 12 cm. Area? (π = 3.14)
452.16 cm²
9.
Circle with radius 15 cm. Area? (π = 3.14)
706.5 cm²
10.
Circle with radius 13 cm. Area? (π = 3.14)
530.66 cm²
11.
Circle with radius 7 cm. Area? (π = 3.14)
153.86 cm²
12.
Circle with radius 15 cm. Area? (π = 3.14)
706.5 cm²
13.
Circle with radius 14 cm. Area? (π = 3.14)
615.44 cm²
14.
Circle with radius 15 cm. Area? (π = 3.14)
706.5 cm²
15.
Circle with radius 10 cm. Area? (π = 3.14)
314 cm²
16.
Circle with radius 4 cm. Area? (π = 3.14)
50.24 cm²
17.
Circle with radius 8 cm. Area? (π = 3.14)
200.96 cm²
18.
Circle with radius 5 cm. Area? (π = 3.14)
78.5 cm²
19.
Circle with radius 12 cm. Area? (π = 3.14)
452.16 cm²
20.
Circle with radius 13 cm. Area? (π = 3.14)
530.66 cm²

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Frequently asked questions

Do these worksheets use 3.14 or the π key?: Answers use π = 3.14 and are rounded to two decimals, which matches most textbooks. Students using a calculator's π key may see answers off by a few hundredths.
How do I print or save these worksheets as a PDF?: Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.
Can I get a fresh set of problems?: Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.
Is this worksheet generator free?: Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.