Circles and Circumference
Authored by Anuradha Jetti
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10th Grade
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the circumference of a circle?
3 * π * r
2 * π * r
π * r^2
2 * π * r^2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the radius of a circle is 5 cm, what is its circumference? (Use π = 3.14)
15.7 cm
31.4 cm
10 cm
25 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the diameter of a circle?
Half the radius of the circle
The area of the circle
The circumference of the circle
Twice the radius of the circle
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the radius and the diameter of a circle?
The diameter is twice the length of the radius.
The diameter is half the length of the radius.
The radius is twice the length of the diameter.
The radius and diameter are equal in length.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the area of a circle?
π/r
2πr
r/2
πr^2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the line segment that passes through the center of a circle and has its endpoints on the circle?
tangent
chord
diameter
radius
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the point inside a circle that is the same distance from every point on the circle?
edge
corner
center
perimeter
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