Circumference and Area of Circles
Authored by Sherilyn Silva
Mathematics
6th - 8th Grade
CCSS covered
Used 8+ 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 * pi * radius
radius * radius
2 * radius
pi * radius
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 circumference?
15π cm
20π cm
25π cm
10π cm
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to find the area of a circle?
A = 2πr
A = πd
A = πr^2
A = πr
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is 12 cm, what is its circumference?
24.141
37.699
18.85
9.42
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the radius of a circle is 8 cm, what is its area?
32π cm^2
16π cm^2
128π cm^2
64π cm^2
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the radius and diameter of a circle?
The diameter of a circle is twice the length of its radius.
The diameter of a circle is equal to the length of its radius.
The diameter of a circle is half the length of its radius.
The diameter of a circle is three times the length of its radius.
Tags
CCSS.HSG.C.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the circumference of a circle is 30 cm, what is its radius?
3 cm
6 cm
10 cm
4.77 cm
Tags
CCSS.7.G.B.4
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