What is the formula for the area of a circle?

Area of Circles and Rings

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

Amelia Wright
Used 1+ times
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Area = Pi * r^2
Area = 2 * Pi * r
Area = 2 * Pi * r^2
Area = Pi * d
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general strategy to find the area of the red ring?
Add the areas of the large and small circles
Subtract the area of the small circle from the large circle
Multiply the areas of the large and small circles
Divide the area of the large circle by the small circle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of the large circle in the problem?
12 units
9 units
10 units
11 units
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What approximate value of Pi is used in the calculations?
3.20
3.14
3.00
3.50
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the area of the large circle calculated?
Pi * 11
Pi * 9
Pi * 11^2
Pi * 9^2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of the small circle using the approximate value of Pi?
35.00 square units
30.00 square units
28.26 square units
24.34 square units
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of the large circle using the approximate value of Pi?
350.00 square units
400.00 square units
300.00 square units
379.94 square units
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