Enter side length

Given an equilateral triangle with side (a) equal to 20

Calculate the other relevant items in this triangle

Calculate Perimeter:

P = 3a

P = 3 x 20

P = 60

Calculate Semiperimeter s:

s  =  P
  2

s  =  60
  2

s = 30

Calculate Area (A):

A  =  a23
  4

A  =  2023
  4

A  =  400√3
  4

A  =  692.82032302755
  4

A = 173.20508075689

Calculate Bisector

ha-ma-ta  =  a√3
  2

ha-ma-ta  =  34.641016151378
  2

ha-ma-ta = 17.320508075689

Calc. Circumscribed Circle Radius

R  =  a√3
  3

R  =  34.641016151378
  3

R = 11.547005383793

Calculate Inscribed Circle Radius

r  =  a√3
  6

r  =  34.641016151378
  6

r = 5.7735026918963


P = 60
s = 30
A = 20