
Calculating Area of a Circle

Interactive Video
•
Mathematics
•
9th - 10th 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 diameter of the circle mentioned in the video?
100 centimeters
75 centimeters
50 centimeters
25 centimeters
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate the area of a circle using its diameter?
pi times diameter
pi times radius squared
pi divided by 4 times diameter squared
pi times diameter squared
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula pi divided by 4 times diameter squared is derived from which basic formula?
pi times diameter
pi times radius squared
2 pi times radius
pi times diameter squared
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the diameter and radius of a circle?
Diameter is half the radius
Diameter is three times the radius
Diameter is twice the radius
Diameter is equal to the radius
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula derivation, what happens to the radius when replaced by diameter over 2?
It becomes diameter divided by 4
It becomes diameter over 2 squared
It remains unchanged
It becomes diameter squared
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final calculated area of the circle in the video?
1963.75 square centimeters
2000 square centimeters
1500 square centimeters
2500 square centimeters
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To how many decimal places is the area of the circle rounded?
One decimal place
Two decimal places
Four decimal places
Three decimal places
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