# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 5.36   b = 5.36   c = 6.3

Area: T = 13.66106533427
Perimeter: p = 17.02
Semiperimeter: s = 8.51

Angle ∠ A = α = 54.0076988717° = 54°25″ = 0.94325997722 rad
Angle ∠ B = β = 54.0076988717° = 54°25″ = 0.94325997722 rad
Angle ∠ C = γ = 71.9866022566° = 71°59'10″ = 1.25663931092 rad

Height: ha = 5.097725871
Height: hb = 5.097725871
Height: hc = 4.33767153469

Median: ma = 5.19987883204
Median: mb = 5.19987883204
Median: mc = 4.33767153469

Inradius: r = 1.60552471613
Circumradius: R = 3.31223686594

Vertex coordinates: A[6.3; 0] B[0; 0] C[3.15; 4.33767153469]
Centroid: CG[3.15; 1.44655717823]
Coordinates of the circumscribed circle: U[3.15; 1.02443466874]
Coordinates of the inscribed circle: I[3.15; 1.60552471613]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 125.9933011283° = 125°59'35″ = 0.94325997722 rad
∠ B' = β' = 125.9933011283° = 125°59'35″ = 0.94325997722 rad
∠ C' = γ' = 108.0143977434° = 108°50″ = 1.25663931092 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.