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Circles: Area and Circumference

Authored by Katherine Tatum

Mathematics

7th - 8th Grade

CCSS covered

Used 8+ times

Circles: Area and Circumference
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the area of a circle measures 25π cm2, what is the circumference of the circle in terms of π?

5π cm

10π cm

50π cm

100π cm

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the circumference of a circle measures 8π cm, what is the area of the circle in terms of π?

4π cm2

8π cm2

16π cm2

32π cm2

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the area of a circle measures 4π cm2, what is the circumference of the circle in terms of π?

4π cm

8π cm

12π cm

16π cm

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π.

14 in

18 in

20 in

28 in

Tags

CCSS.7.G.B.4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The circumference of a circle is 65π. In terms of pi, what is the area of the circle?

600 π

936.5 π

950.25 π

1056.25 π

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Gina has a circular gold bracelet with a diameter of 3 inches. She wants to cover the bracelet with a strip of lace. How long should the strip of lace be to cover the bracelet entirely without any excess? Use 3.14 for π.

4.71 in

7.065 in

9.42 in

15.22 in

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The circumference of a circle is 8π cm. What is the RADIUS of the circle?

2 cm

4 cm

6 cm

8 cm

Tags

CCSS.7.G.B.4

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