Exploring Circumference and Area of Circles
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Emma Peterson
Used 2+ times
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the circumference of a circle if the diameter is known?
A = 2πr^2
A = πr^2
C = 2πr
C = πd
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the diameter of a circle if the radius is 8 units?
4 units
16 units
8 units
12 units
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is 14 units, what is the radius?
21 units
14 units
28 units
7 units
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the radius if the circumference is given?
R = 2C / π
R = C / 2π
R = C / (π^2)
R = C / π
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the circumference if the radius is given?
C = r^2π
C = r/π
C = 2πr
C = πr
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the circumference is 62.8 units, what is the approximate diameter?
30 units
40 units
20 units
10 units
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 units?
6π units^2
9π units^2
12π units^2
18π units^2
Tags
CCSS.7.G.B.4
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