Square area x2

1
(No Transcript)
2
x
Square area x2
Quadrant area ?
3
p
circumference
diameter
p
circumference

2 x radius
4
Polygons of 20 sides 20 triangles
2p x radius
circumference
Almost the radius r
p x radius
length
5
Polygons of 20 sides 20 triangles
p x radius x radius pr2
Area
Almost the radius r
p x radius
length
6
I drew polygons of more than 90 sides! Take it
from me the area of a circle is pr2
7
radius
x
x
8
radius
x
x
Quadrant area 1/4 p x2
Circle area p x2
9
x
x
Square area x2
Quadrant area 1/4 p x2
10
x
x
Square area x2
Quadrant area 1/4 p x2
11
Area x2 - 1/4 p x2
x
x
Square area x2
Quadrant area 1/4 p x2
12
x2
1/4 p x2
1/4 p x2
Area x2 1/2 p x2
x2(1 1/2 p )
13
(No Transcript)
14
(No Transcript)
15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
(No Transcript)
24
(No Transcript)