# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 13.88   b = 12.6   c = 1.46

Area: T = 4.64220348458
Perimeter: p = 27.94
Semiperimeter: s = 13.97

Angle ∠ A = α = 149.6989972745° = 149°41'24″ = 2.61325828816 rad
Angle ∠ B = β = 27.26770044631° = 27°16'1″ = 0.4765899005 rad
Angle ∠ C = γ = 3.04330227919° = 3°2'35″ = 0.05331107669 rad

Height: ha = 0.66988811017
Height: hb = 0.73768309279
Height: hc = 6.35989518436

Median: ma = 5.68217426904
Median: mb = 7.59662490744
Median: mc = 13.23553428365

Inradius: r = 0.33222859589
Circumradius: R = 13.75113228832

Vertex coordinates: A[1.46; 0] B[0; 0] C[12.33876712329; 6.35989518436]
Centroid: CG[4.59992237443; 2.12196506145]
Coordinates of the circumscribed circle: U[0.73; 13.73219328951]
Coordinates of the inscribed circle: I[1.37; 0.33222859589]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 30.3110027255° = 30°18'36″ = 2.61325828816 rad
∠ B' = β' = 152.7332995537° = 152°43'59″ = 0.4765899005 rad
∠ C' = γ' = 176.9576977208° = 176°57'25″ = 0.05331107669 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.