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Area and Circumference of Circles

Authored by Samuel Otte

Mathematics

7th Grade

CCSS covered

Used 3+ times

Area and Circumference of Circles
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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If my diameter is 18 inches, what is my radius?

18 inches

9 inches

36 inches

56.54 inches

Tags

CCSS.7.G.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If my radius is 10ft, what is my diameter?

20ft
5ft
31.4ft
62.8ft

Tags

CCSS.7.G.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Determine the radius of the penny.

59.66 mm
9.5 mm
38 mm
119.32 mm

Tags

CCSS.7.G.B.4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the distance around a circle?

Circumference
Area
Diameter
Radius

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

What is the formula for finding the circumference of a circle?

C = πr2

C = rd

A = 2·π·r

C = π·d

Tags

CCSS.7.G.B.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the correct formula for finding area of a circle

A = l x w

Tags

CCSS.7.G.B.4

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the circumference of a 12-inch diameter pizza?

37.68 inches
18.84 inches
113.04 inches
432.16 inches

Tags

CCSS.7.G.B.4

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