# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 2   b = 28   c = 28

Area: T = 27.98221371593
Perimeter: p = 58
Semiperimeter: s = 29

Angle ∠ A = α = 4.09334261954° = 4°5'36″ = 0.07114437648 rad
Angle ∠ B = β = 87.95332869023° = 87°57'12″ = 1.53550744444 rad
Angle ∠ C = γ = 87.95332869023° = 87°57'12″ = 1.53550744444 rad

Height: ha = 27.98221371593
Height: hb = 1.99987240828
Height: hc = 1.99987240828

Median: ma = 27.98221371593
Median: mb = 14.07112472795
Median: mc = 14.07112472795

Inradius: r = 0.96549012814
Circumradius: R = 14.00989371219

Vertex coordinates: A[28; 0] B[0; 0] C[0.07114285714; 1.99987240828]
Centroid: CG[9.35771428571; 0.66662413609]
Coordinates of the circumscribed circle: U[14; 0.55003191829]
Coordinates of the inscribed circle: I[1; 0.96549012814]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 175.9076573805° = 175°54'24″ = 0.07114437648 rad
∠ B' = β' = 92.04767130977° = 92°2'48″ = 1.53550744444 rad
∠ C' = γ' = 92.04767130977° = 92°2'48″ = 1.53550744444 rad

# How did we calculate this triangle? ### 1. The triangle circumference is the sum of the lengths of its three sides ### 2. Semiperimeter of the triangle ### 3. The triangle area using Heron's formula ### 4. Calculate the heights of the triangle from its area. ### 5. Calculation of the inner angles of the triangle using a Law of Cosines ### 6. Inradius ### 7. Circumradius ### 8. Calculation of medians #### Look also our friend's collection of math examples and problems:

See more informations about triangles or more information about solving triangles.