Circumference and Diameter of a Circle
Relation between the circumference and diameter of a circle
Based on the values in the last column of your spreadsheet, what can you conclude about the ratio of the circumference of a circle to its diameter, ?
The ratio C/d
Which of the following mathematical constants does the ratio remind you of?
Find the Circumference
The ratio for a certain circle is found to be approximately 3.14. What is the circumference of this circle it it has a radius of 5 cm?