
Circle Geometry Concepts

Interactive Video
•
Mathematics
•
7th - 8th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate value of pi used in this lesson?
3.142
3.14
3.14159
22/7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a semi-circle is 14 cm, what is the radius?
14 cm
7 cm
28 cm
21 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the area of a semi-circle?
1/2 * pi * radius^2
pi * diameter
1/2 * pi * diameter
pi * radius^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the circumference of a circle?
pi * radius^2
2 * pi * diameter
2 * pi * radius
pi * diameter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given a circumference of 24 pi cm, what is the radius of the circle?
6 cm
48 cm
24 cm
12 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of a circle with a radius of 12 cm?
72 pi cm^2
288 pi cm^2
24 pi cm^2
144 pi cm^2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a circle has a diameter of 42 cm, what is its radius?
14 cm
84 cm
42 cm
21 cm
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