# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 16   b = 25   c = 30

Area: T = 199.9443585794
Perimeter: p = 71
Semiperimeter: s = 35.5

Angle ∠ A = α = 32.22107635824° = 32°13'15″ = 0.5622358412 rad
Angle ∠ B = β = 56.41883336947° = 56°25'6″ = 0.98546856815 rad
Angle ∠ C = γ = 91.36109027229° = 91°21'39″ = 1.59545485601 rad

Height: ha = 24.99329482242
Height: hb = 15.99554868635
Height: hc = 13.33295723862

Median: ma = 26.42991505728
Median: mb = 20.53765527779
Median: mc = 14.68799182559

Inradius: r = 5.63222136843
Circumradius: R = 15.00442322593

Vertex coordinates: A[30; 0] B[0; 0] C[8.85; 13.33295723862]
Centroid: CG[12.95; 4.44331907954]
Coordinates of the circumscribed circle: U[15; -0.35663505162]
Coordinates of the inscribed circle: I[10.5; 5.63222136843]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 147.7799236418° = 147°46'45″ = 0.5622358412 rad
∠ B' = β' = 123.5821666305° = 123°34'54″ = 0.98546856815 rad
∠ C' = γ' = 88.63990972771° = 88°38'21″ = 1.59545485601 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.