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Master

Pi

Master pi with interactive lessons and practice problems! Designed for students like you!

Understanding Pi

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Video explanation of this concept

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Beginner

Start here! Easy to understand

Now showing Beginner level explanation.

Beginner Explanation

Pi is the ratio of a circle's circumference to its diameter: $\pi = \frac{C}{d}$.

Practice Problems

Test your understanding with practice problems

1

Quick Quiz

Single Choice Quiz
Beginner

What is the value of $\pi$ to two decimal places?

Please select an answer for all 1 questions before checking your answers. 1 question remaining.
2

Real-World Problem

Question Exercise
Intermediate

Teenager Scenario

You are designing a circular garden. If the diameter of the garden is 10 meters, what is the circumference using $\pi \approx 3.14$?
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3

Thinking Challenge

Thinking Exercise
Intermediate

Think About This

Why can't $\pi$ be exactly represented as a fraction?

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4

Challenge Quiz

Single Choice Quiz
Advanced

Which of the following is a correct approximation of $\pi$ to four decimal places?

Please select an answer for all 1 questions before checking your answers. 1 question remaining.

Recap

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Review key concepts and takeaways