# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 191.41   b = 146.2   c = 209.3

Area: T = 13533.8659896
Perimeter: p = 546.91
Semiperimeter: s = 273.455

Angle ∠ A = α = 62.1999368516° = 62°11'58″ = 1.08655837733 rad
Angle ∠ B = β = 42.50441679106° = 42°30'15″ = 0.74218376759 rad
Angle ∠ C = γ = 75.29664635734° = 75°17'47″ = 1.31441712045 rad

Height: ha = 141.4122255326
Height: hb = 185.1421722243
Height: hc = 129.3254987061

Median: ma = 153.0721937255
Median: mb = 186.7587942401
Median: mc = 134.3677003204

Inradius: r = 49.49220915543
Circumradius: R = 108.1933098008

Vertex coordinates: A[209.3; 0] B[0; 0] C[141.1132847826; 129.3254987061]
Centroid: CG[116.8044282609; 43.10883290204]
Coordinates of the circumscribed circle: U[104.65; 27.46113174584]
Coordinates of the inscribed circle: I[127.255; 49.49220915543]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 117.8010631484° = 117°48'2″ = 1.08655837733 rad
∠ B' = β' = 137.4965832089° = 137°29'45″ = 0.74218376759 rad
∠ C' = γ' = 104.7043536427° = 104°42'13″ = 1.31441712045 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.