# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 38   b = 34   c = 48.76

Area: T = 643.6021511058
Perimeter: p = 120.76
Semiperimeter: s = 60.38

Angle ∠ A = α = 50.93552078843° = 50°56'7″ = 0.88989870828 rad
Angle ∠ B = β = 44.00436291363° = 44°13″ = 0.76880082113 rad
Angle ∠ C = γ = 85.06111629794° = 85°3'40″ = 1.48545973596 rad

Height: ha = 33.87437637399
Height: hb = 37.85989124152
Height: hc = 26.39987494282

Median: ma = 37.4943583451
Median: mb = 40.27111906951
Median: mc = 26.56334259839

Inradius: r = 10.65991836876
Circumradius: R = 24.47108561577

Vertex coordinates: A[48.76; 0] B[0; 0] C[27.3333240361; 26.39987494282]
Centroid: CG[25.36444134537; 8.87995831427]
Coordinates of the circumscribed circle: U[24.38; 2.10767513123]
Coordinates of the inscribed circle: I[26.38; 10.65991836876]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 129.0654792116° = 129°3'53″ = 0.88989870828 rad
∠ B' = β' = 135.9966370864° = 135°59'47″ = 0.76880082113 rad
∠ C' = γ' = 94.93988370206° = 94°56'20″ = 1.48545973596 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    