Given an equilateral triangle with side (a) equal to 7
Calculate the other relevant items in this triangle
Calculate Perimeter:
P = 3a
P = 3 x 7
P = 21
Calculate Semiperimeter s:
| s = | P |
| 2 |
| s = | 21 |
| 2 |
s = 10.5
Calculate Area (A):
| A = | a2√3 |
| 4 |
| A = | 72√3 |
| 4 |
| A = | 49√3 |
| 4 |
| A = | 84.870489570875 |
| 4 |
A = 21.217622392719
Calculate Bisector
| ha-ma-ta = | a√3 |
| 2 |
| ha-ma-ta = | 12.124355652982 |
| 2 |
ha-ma-ta = 6.0621778264911
Calc. Circumscribed Circle Radius
| R = | a√3 |
| 3 |
| R = | 12.124355652982 |
| 3 |
R = 4.0414518843274
Calculate Inscribed Circle Radius
| r = | a√3 |
| 6 |
| r = | 12.124355652982 |
| 6 |
r = 2.0207259421637
P = 21
s = 10.5
A = 7
s = 10.5
A = 7
