# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 125   b = 150   c = 253.68

Area: T = 6700.343310489
Perimeter: p = 528.68
Semiperimeter: s = 264.34

Angle ∠ A = α = 20.62199602081° = 20°37'12″ = 0.36598861973 rad
Angle ∠ B = β = 24.99989256821° = 24°59'56″ = 0.43663135626 rad
Angle ∠ C = γ = 134.381111411° = 134°22'52″ = 2.34553928937 rad

Height: ha = 107.2055489678
Height: hb = 89.33879080652
Height: hc = 52.82551585059

Median: ma = 198.7987689121
Median: mb = 185.3766026497
Median: mc = 54.5355441687

Inradius: r = 25.34774430842
Circumradius: R = 177.4722254985

Vertex coordinates: A[253.68; 0] B[0; 0] C[113.2899463892; 52.82551585059]
Centroid: CG[122.323315463; 17.60883861686]
Coordinates of the circumscribed circle: U[126.84; -124.1299028392]
Coordinates of the inscribed circle: I[114.34; 25.34774430842]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 159.3880039792° = 159°22'48″ = 0.36598861973 rad
∠ B' = β' = 155.0011074318° = 155°4″ = 0.43663135626 rad
∠ C' = γ' = 45.61988858902° = 45°37'8″ = 2.34553928937 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.