
Circle Geometry Concepts and Formulas

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard

Thomas White
FREE Resource
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main theme used to introduce the lesson?
Halloween
Easter
Christmas
Thanksgiving
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formal definition of a circle?
A shape with four equal sides
A set of points equidistant from a center point
A shape with no sides
A polygon with three sides
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the area of a circle?
πr²
r²
2πr
πd
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the diameter if the area is given?
Divide the area by 2
Multiply the area by 2
Divide the area by π and then take the square root
Multiply the area by π
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a central angle?
An angle whose vertex is on the circle
An angle that is 180 degrees
An angle that is 90 degrees
An angle whose vertex is the center of the circle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a minor arc different from a major arc?
A minor arc is larger than a semicircle
A minor arc is the same as a major arc
A minor arc is smaller than a semicircle
A minor arc is exactly half the circle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the arc length?
θ/360 × πd
θ/180 × 2πr
θ/180 × πr
θ/360 × 2πr
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