# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 6.71   b = 6.32   c = 12.04

Area: T = 14.98876416243
Perimeter: p = 25.07
Semiperimeter: s = 12.535

Angle ∠ A = α = 23.19992957286° = 23°11'57″ = 0.40549040946 rad
Angle ∠ B = β = 21.77994314593° = 21°46'46″ = 0.38801227882 rad
Angle ∠ C = γ = 135.0211272812° = 135°1'17″ = 2.35765657708 rad

Height: ha = 4.46772553277
Height: hb = 4.74329245647
Height: hc = 2.49896414658

Median: ma = 9.01108809225
Median: mb = 9.22199376354
Median: mc = 2.49985695908

Inradius: r = 1.19656634722
Circumradius: R = 8.51767283285

Vertex coordinates: A[12.04; 0] B[0; 0] C[6.23110340532; 2.49896414658]
Centroid: CG[6.09903446844; 0.83298804886]
Coordinates of the circumscribed circle: U[6.02; -6.02444718791]
Coordinates of the inscribed circle: I[6.215; 1.19656634722]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.8010704271° = 156°48'3″ = 0.40549040946 rad
∠ B' = β' = 158.2210568541° = 158°13'14″ = 0.38801227882 rad
∠ C' = γ' = 44.97987271878° = 44°58'43″ = 2.35765657708 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.