# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 18.1   b = 15.8   c = 29.3

Area: T = 124.5109614087
Perimeter: p = 63.2
Semiperimeter: s = 31.6

Angle ∠ A = α = 32.54113550624° = 32°32'29″ = 0.56879537889 rad
Angle ∠ B = β = 28.00554297994° = 28°20″ = 0.48987869584 rad
Angle ∠ C = γ = 119.4533215138° = 119°27'12″ = 2.08548519063 rad

Height: ha = 13.75879684074
Height: hb = 15.76107106439
Height: hc = 8.4998949767

Median: ma = 21.7299300495
Median: mb = 23.03656245845
Median: mc = 8.60224705754

Inradius: r = 3.9440177661
Circumradius: R = 16.82444317145

Vertex coordinates: A[29.3; 0] B[0; 0] C[15.98105460751; 8.4998949767]
Centroid: CG[15.09435153584; 2.83329832557]
Coordinates of the circumscribed circle: U[14.65; -8.27327868651]
Coordinates of the inscribed circle: I[15.8; 3.9440177661]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 147.4598644938° = 147°27'31″ = 0.56879537889 rad
∠ B' = β' = 151.9954570201° = 151°59'40″ = 0.48987869584 rad
∠ C' = γ' = 60.54767848618° = 60°32'48″ = 2.08548519063 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.