SUMMARY: HOW TO CALCULATE THE AREA OF THE
CIRCLE
Here 1 present a short instruction of
the practical use of the “Pie” formula.
The instructions I wrote here are
based on a short problem from our
Math’s Workbook.
1= Figure out the length of the radius. This
may be as simple as dividing the diameter by
2:
2= Note the formula. ee for finding
the area of a circle is:
The Summary of The Area of a Circle
A circle is defined by its diameter or radius
The perimeter or circumference of a circle
is the distance around the outside
The area of a circle is the space inside it
Diameter
The ratio of Tr (pi)
mis an irrational number whose value to 15 decimal places is
ィ 7 ブラ 中 つう ウ グ の う 2 ク ラジ ブウ We usually day) 1073.12)