Number of sides
Area using radius
Area using side length
Area using apothem length
3
1.30r2
.43s2
5.20a2
4
2r2
s2
4a2
5
2.38r2
1.73s2
3.65a2
6
2.60r2
2.60s2
3.48a2
8
2.83r2
4.88s2
3.36a2
10
2.94r2
7.70s2
3.20a2
n
|
Number of sides |
Area using radius |
Area using side length |
Area using apothem length |
|
3 |
1.30r2 |
.43s2 |
5.20a2 |
|
4 |
2r2 |
s2 |
4a2 |
|
5 |
2.38r2 |
1.73s2 |
3.65a2 |
|
6 |
2.60r2 |
2.60s2 |
3.48a2 |
|
8 |
2.83r2 |
4.88s2 |
3.36a2 |
|
10 |
2.94r2 |
7.70s2 |
3.20a2 |
|
n |
|
|
|
|
Number of sides |
Sum of interior angles |
Measure of each interior angle |
Sum of exterior angles |
Measure of each exterior angle |
|
3 |
1800 |
600 |
3600 |
1200 |
|
4 |
3600 |
900 |
3600 |
900 |
|
5 |
5400 |
1080 |
3600 |
720 |
|
6 |
7200 |
1200 |
3600 |
600 |
|
8 |
10800 |
1350 |
3600 |
450 |
|
10 |
14400 |
1440 |
3600 |
360 |
|
n |
|
|
3600 |
|
