## Math: Finding the Approximate of π

On Monday, 27^{th }August 2012, we did an activity on finding the approximate value of **π** from the known circumference and diameter of a circle.

A circle is a set of points that are equidistant from the center point ** O**.

**The distance**

**r****from the center is called the radius, and. Twice the radius is known as the diameter**

**d = 2 r.**

Because we know that π is a the ratio of the circumference to the diameter of a circle, we did this activity on finding the π, by finding the circumference of an object using a string, and find the diameter using a ruler.

Here is the result of our findings:

We have known that * π = 22/7*, before we did this activity. And from the result of this activity, we found out

**π,****which is the ratio of circumference and the diameter, are close to**

*.*

**22/7**
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