# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 185.03   b = 121   c = 164

Area: T = 9752.673340378
Perimeter: p = 470.03
Semiperimeter: s = 235.015

Angle ∠ A = α = 79.43996505963° = 79°23'59″ = 1.38657853278 rad
Angle ∠ B = β = 400.0000202475° = 40° = 0.69881320542 rad
Angle ∠ C = γ = 60.66003291562° = 60°36'1″ = 1.05876752716 rad

Height: ha = 105.4177212385
Height: hb = 161.2011213286
Height: hc = 118.9355041509

Median: ma = 110.4966492139
Median: mb = 164.0329876699
Median: mc = 133.0966019662

Inradius: r = 41.49880890742
Circumradius: R = 94.12112518861

Vertex coordinates: A[164; 0] B[0; 0] C[141.741116128; 118.9355041509]
Centroid: CG[101.9143720427; 39.64550138365]
Coordinates of the circumscribed circle: U[82; 46.20440047681]
Coordinates of the inscribed circle: I[114.015; 41.49880890742]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 100.6600349404° = 100°36'1″ = 1.38657853278 rad
∠ B' = β' = 1409.999979753° = 140° = 0.69881320542 rad
∠ C' = γ' = 119.4399670844° = 119°23'59″ = 1.05876752716 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.