Econtent.pptx z

E-content

1. THANK YOU

2. Finding a
formula for the
area of a circle

3. MSN

4. Area of Rectangle= Base x Height

5. 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:

6. 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)

The area is found
using the formula

A=Trr?