Calculate the area of the circle with a radius of 6 km.

The area of the circle is calculated using the formula A = πr². For a radius of 6 km, the area is A = π(6)² = 36π km², which is approximately 113.1 km².

The area of the circle is calculated using the formula A = 2πr. For a radius of 6 km, the area is A = 2π(6) = 12π km², which is approximately 37.7 km².

The area of the circle is calculated using the formula A = πr. For a radius of 6 km, the area is A = π(6) = 6π km², which is approximately 18.8 km².

The area of the circle is calculated using the formula A = πr². For a radius of 6 km, the area is A = π(6)² = 12π km², which is approximately 37.7 km².

Calculate the area of the circle with a radius of 4 cm.

The area of the circle can be calculated using the formula A = πr², where r is the radius. For a radius of 4 cm, the area is A = π(4 cm)² = 16π cm².

The area of the circle is 8π cm².

The area of the circle is 12π cm².

The area of the circle is 20π cm².

Area of a Circle Review

Quiz

•

Mathematics

•

7th Grade

•

Practice Problem

•

Hard

•

CCSS

7.G.B.4

Standards-aligned

Lauren Ferguson

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the circle with a radius of 5 km?

25π km²

50π km²

75π km²

100π km²

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A circle has a diameter of 1 mm. What is the area?

0.785 mm²

1 mm²

0.5 mm²

0.25 mm²

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the circle with a radius of 12 cm?

144π cm²

288π cm²

36π cm²

48π cm²

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A circle has a radius of 4 m. What is the area?

16π m²

8π m²

12π m²

4π m²

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the circle with a radius of 5 km?

25π km²

50π km²

75π km²

100π km²

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A circle has a diameter of 1 mm. What is the area?

0.785 mm²

1 mm²

0.5 mm²

0.25 mm²

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the circle with a radius of 12 cm?

144π cm²

288π cm²

36π cm²

24π cm²

Tags

CCSS.7.G.B.4

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