What is the formula for calculating the area of a circle?
Given the diameter, find the area of a circle
Interactive Video
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to calculate the area of a circle. It emphasizes the importance of knowing the formula, which is the area equals pi times the radius squared. The teacher guides students through determining the radius from a given diameter, calculating the area using a calculator, and rounding the result to the nearest tenth. The tutorial concludes with a reminder to express the area in square inches.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
If the diameter of a circle is 24 inches, what is the radius?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What value should be used for pi in the area calculation?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the area of the circle after calculating with the radius?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What unit should be used when expressing the area of a circle?
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