# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 14   b = 26   c = 28

Area: T = 180.665543665
Perimeter: p = 68
Semiperimeter: s = 34

Angle ∠ A = α = 29.75877290681° = 29°45'28″ = 0.51993703502 rad
Angle ∠ B = β = 67.18551127773° = 67°11'6″ = 1.17326014263 rad
Angle ∠ C = γ = 83.05771581546° = 83°3'26″ = 1.45496208771 rad

Height: ha = 25.80993480929
Height: hb = 13.89773412808
Height: hc = 12.90546740464

Median: ma = 26.09659767014
Median: mb = 17.91664728672
Median: mc = 15.49219333848

Inradius: r = 5.31436893132
Circumradius: R = 14.10334170522

Vertex coordinates: A[28; 0] B[0; 0] C[5.42985714286; 12.90546740464]
Centroid: CG[11.14328571429; 4.30215580155]
Coordinates of the circumscribed circle: U[14; 1.70548086547]
Coordinates of the inscribed circle: I[8; 5.31436893132]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 150.2422270932° = 150°14'32″ = 0.51993703502 rad
∠ B' = β' = 112.8154887223° = 112°48'54″ = 1.17326014263 rad
∠ C' = γ' = 96.94328418454° = 96°56'34″ = 1.45496208771 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.