Which branch of mathematics deals with the study of circles and their properties?
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Not quite.
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What is the term for the distance from the center of a circle to any point on its circumference?
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Nice!
Hmm, I don't think so. ๐
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What is the ratio that pi is defined as?
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Not quite.
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What is the formula for calculating the circumference of a circle?
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Good work!
Not quite.
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What is the formula for calculating the area of a circle?
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Right on the money!
Hmm, I don't think so. ๐
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What type of number is pi?
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Great job!
Not quite.
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Which of the following fractions is closest to pi?
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Doh! ๐คฌ
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Pi is a letter from which language?
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Spot on! ๐ฅณ
That was incorrect.
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On what day is Pi Day celebrated?
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Uh-oh. That was incorrect. ๐
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Who was the ancient Greek mathematician known for accurately estimating the value of pi?
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Nice!
Uh-oh. That was incorrect. ๐
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What is the approximate value of pi to 3 decimal places?
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You're doing great!
Doh! ๐คฌ
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What is the area of a circle with a radius of 7 units, rounded to the nearest integer?
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Sensational!
Doh! ๐คฌ
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Which ancient civilization performed the first known calculation of the area of a circle?
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Cool! ๐
Doh! ๐คฌ
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What is the term for the longest chord of a circle?
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Hooray! ๐ฅณ
Nope, sorry. ๐ข
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If the circumference of a circle is 24ฯ, what is its radius?
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Yay!
I'm afraid that wasn't it. ๐
-
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What is the circumference of a circle with a radius of 9 units?
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Perfect! ๐
Hmm, I don't think so. ๐
-
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What is the diameter of a circle with a circumference of 20ฯ?
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Good job!
That was incorrect.
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If the area of a circle is 9ฯ square units, what is its circumference?
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Spot on! ๐ฅณ
I'm afraid that wasn't it. ๐
-
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If the volume of a sphere is (4/3)ฯr^3, what is the volume when r = 3?
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Fabulous!
Hmm, I don't think so. ๐
-
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If the volume of a cylinder is ฯr^2h, and the radius is 2 units and the height is 4 units, what is the volume?
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You get a gold star for that! ๐
Doh! ๐คฌ
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