Unit #10, Lesson #2 - Circumference of a Circle
Authored by Andrew Kiebala
Mathematics
9th - 12th Grade
CCSS covered
Used 14+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Which of the following can be used to find the circumference of a circle? (Check all that apply.)
C = πr2
C = πd
C = 2πr
C = 2πd2
Tags
CCSS.7.G.B.4
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
What is the circumference of a circle whose diameter is 18 cm? (Check all that apply.)
18π
113.1
9π
56.5
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The radius of a circle is 4.5 cm. What is the best approximation of its circumference?
28.3 cm.
7.1 cm.
14.1 cm.
56.5 cm.
Tags
CCSS.7.G.B.4
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
What is the circumference of a circle whose diameter is 2.25 cm? Round your answer to the nearest tenth of a cm. (Don't input a label.)
Tags
CCSS.7.G.B.4
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
What is the circumference of a circle whose radius is 8.7 cm. Round your answer to the nearest hundredth. (Don't insert a label.)
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A circle has a circumference of 37.7 cm. What is the length of its diameter?
12
6
24
18
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A circle has a circumference of 70.37 cm. What is the length of its radius?
22.4
44.8
11.2
20.6
Tags
CCSS.7.G.B.4
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