Pi

Circumference definition,the enclosing boundary of a curved geometric figure, especially a circle.

Diameter definition,a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Radius definition, a straight line from the center to the circumference of a circle or sphere.o

A sector is the part of a circle enclosed by two radius of a circle and their intercepted arc.


The segment of a circle is the region bounded by a chord and the a…

HOW TO MEASURE THE CIRCUMFERENCE?

• Find the diameter of the circle
• Times the diameter by the Pi (3.14).
• Then you can find the circumference.

HOW TO MEASURE THE DIAMETER AND RADIUS?

• Diameter
• Use a ruler and measure the length across the circle
• Radius
• Use the ruler and measure a straight line from a side to the center.

What is Pi ??
Pi is a real number defined as the ratio of a circle's circumference (C) to its diameter.
Pi : 3.14159....

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CREDITS TO ...

• Wikipedia
• WolframAlpha

BY: SYDNEY