
Exploring Circumference and Area of Circles

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Mia Campbell
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the circumference of a circle using its radius?
C = 2r
C = πr^2
C = πd
C = 2πr
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Pi represent in the context of a circle?
The circle's radius multiplied by 2
The square root of the circle's area
The ratio of a circle's circumference to its diameter
The ratio of a circle's diameter to its circumference
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an irrational number?
2/4
1/2
Pi (π)
1/3
Tags
CCSS.8.NS.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the area of a circle calculated?
A = πr
A = 2πr
A = πr^2
A = πd
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the circumference of a circle with a radius of 5, in terms of Pi?
20π
25π
5π
10π
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the circumference of a circle is 36π, what is its radius?
9
72
36
18
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of a circle with a radius of 3√5, in terms of Pi?
45π
15π
30π
9π
Tags
CCSS.7.G.B.4
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