Circles Quiz
Authored by Erika Miller
Mathematics
7th Grade
Used 2+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the circumference of a circle?
Circumference = Pi × radius
Circumference = Pi × diameter
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean to 'square' the radius?
Multiply the radius by 2
Multiply the radius by itself
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to find the area of a circle?
Area = Pi × radius squared
Area = Pi × diameter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the diameter and the radius of a circle?
Diameter is twice the radius
Diameter is half of the radius
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the unit for area different from the unit for circumference?
Area is a 2-dimensional quantity, while circumference is 1-dimensional
Area is measured in meters, while circumference is measured in centimeters
6.
MATH RESPONSE QUESTION
2 mins • 1 pt
A circle has a radius of 12 in
Find the diameter of the circle
D = 2R
Mathematical Equivalence
OFF
7.
MATH RESPONSE QUESTION
2 mins • 1 pt
A circle has a radius of 12 in
Find the circumference of the circle
C = π D or C = π 2R
*Use 3.14 for π
Mathematical Equivalence
ON
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