# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 60   b = 45   c = 22.78

Area: T = 439.3219987002
Perimeter: p = 127.78
Semiperimeter: s = 63.89

Angle ∠ A = α = 121.0054582131° = 121°16″ = 2.11219283682 rad
Angle ∠ B = β = 40.0044261302° = 40°15″ = 0.69882060745 rad
Angle ∠ C = γ = 18.99111565665° = 18°59'28″ = 0.33114582108 rad

Height: ha = 14.64439995667
Height: hb = 19.52553327557
Height: hc = 38.57106748904

Median: ma = 19.28663734279
Median: mb = 39.41108386107
Median: mc = 51.79554428497

Inradius: r = 6.87661932541
Circumradius: R = 35.00106839091

Vertex coordinates: A[22.78; 0] B[0; 0] C[45.96597980685; 38.57106748904]
Centroid: CG[22.91332660228; 12.85768916301]
Coordinates of the circumscribed circle: U[11.39; 33.09655552016]
Coordinates of the inscribed circle: I[18.89; 6.87661932541]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 58.99554178685° = 58°59'44″ = 2.11219283682 rad
∠ B' = β' = 139.9965738698° = 139°59'45″ = 0.69882060745 rad
∠ C' = γ' = 161.0098843433° = 161°32″ = 0.33114582108 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.