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Circles Quiz Review 23-24

Authored by Kristen Carbone

Mathematics

7th Grade

CCSS covered

Circles Quiz Review 23-24
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Does this picture show the diameter or radius of a circle?

Diameter

Radius

Answer explanation

The picture shows the diameter of a circle, as it is a line segment passing through the center and connecting two points on the circle's circumference.

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Does this picture show the diameter or radius of a circle?

Diameter

Radius

Answer explanation

The picture shows the radius of a circle. The radius is the distance from the center to any point on the circle's circumference.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does C represent in the formula:

C = π·d

Pi

Circumference

Diameter

Area

Answer explanation

In the formula C = π·d, C represents the Circumference of a circle.

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

28 cm

43.98 cm

87.96 cm

7 cm

Answer explanation

The circumference of a circle is calculated using the formula C = π * d, where d is the diameter. Substituting d = 14 cm, we get C = 3.14 * 14 = 43.96 cm. Therefore, the correct answer is 43.98 cm.

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

To find the circumference of the circle, which should I use?

3.14 x 4

3.14 x 4 x 3

3.14 x 4 x 2

Answer explanation

To find the circumference of a circle, you should use the formula 3.14 x diameter, which is 3.14 x 4 x 2 = 25.12

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the circumference?

50.27

25.13

201.06

804.25

Answer explanation

The correct answer is 48 because the circumference is the distance around a circle, which is calculated using the formula 2 * π * radius. Here, the radius is 24, so 2 * π * 24 = 48.

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

132.67

40.84

20.41

42.25

Tags

CCSS.7.G.B.4

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