Circle Geometry
Authored by Mark McIntyre
Mathematics
9th Grade
CCSS covered
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to find the circumference of a circle?
2 * r
r^2
π * r
2 * π * r
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the radius of a circle is 5 cm, what is its diameter?
3 cm
15 cm
7 cm
10 cm
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is 12 inches, what is its radius?
10 inches
6 inches
8 inches
4 inches
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the radius and the diameter of a circle?
The diameter of a circle is equal to the radius divided by 3.
The diameter of a circle is equal to half the radius.
The diameter of a circle is equal to the radius squared.
The diameter of a circle is equal to 2 times the radius.
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the circumference of a circle is 31.4 cm, what is its diameter?
15 cm
20 cm
25 cm
10 cm
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is 10 meters, what is its radius?
3 meters
8 meters
5 meters
12 meters
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to find the area of a circle?
A = 2πr
A = 2r^2
A = πr^2
A = πr
Tags
CCSS.7.G.B.4
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