All about Pi

What is Pi?

• The circumference of the circle divided by the diameter.

• The radius of a circle minus the diameter.

Answer explanation

Pi is a mathematical constant that is the ratio of a circle's circumference to its diameter. The correct answer is 'The circumference of the circle divided by the diameter.' This simply means that if you measure the circumference of any circle and then divide it by its diameter, you will always get the same number, which is approximately 3.14159, known as Pi.

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What are the first 3 digits in Pi?

• 2.36

• 3.59

• 3.14

• 3.97

symbol of pi?

Answer explanation

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On what day is Pi Day celebrated?

• January 1
• March 14
• March 13
• February 13

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To find Pi you must do what?

• circumference times radius

• circumference divided by radius

• radius times diameter

• circumference divided by diameter

Answer explanation

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The line across the middle is known as the....?

• radius

• diameter

• geometry

• pi

Another use for pi?

• circumference of a circle

• desert after dinner

• triangle bisect line

• square root

Answer explanation

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Who was born on pi day in 1879?

• Albert Einstein

• Mr. Conley

• Mr. Tiscareno

• Michael Jackson

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The symbol for pi came from what culture?

• Greek

• Arabic

• Russian

• English

Answer explanation

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Pi has about ____ know digits.

• 5.4 billion

• 5.4 million

• 6.4 billion

• 6.4 million

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