# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 6.8   b = 5.9   c = 9.67

Area: T = 19.81767123452
Perimeter: p = 22.37
Semiperimeter: s = 11.185

Angle ∠ A = α = 44.0021508735° = 44°5″ = 0.76879712033 rad
Angle ∠ B = β = 37.06660101236° = 37°3'58″ = 0.64769239172 rad
Angle ∠ C = γ = 98.93224811413° = 98°55'57″ = 1.72766975331 rad

Height: ha = 5.82884448074
Height: hb = 6.71875296086
Height: hc = 4.09985961417

Median: ma = 7.25325478282
Median: mb = 7.82112499001
Median: mc = 4.14109872011

Inradius: r = 1.77217221587
Circumradius: R = 4.89443587771

Vertex coordinates: A[9.67; 0] B[0; 0] C[5.42660031024; 4.09985961417]
Centroid: CG[5.03220010341; 1.36661987139]
Coordinates of the circumscribed circle: U[4.835; -0.76599492344]
Coordinates of the inscribed circle: I[5.285; 1.77217221587]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.9988491265° = 135°59'55″ = 0.76879712033 rad
∠ B' = β' = 142.9343989876° = 142°56'2″ = 0.64769239172 rad
∠ C' = γ' = 81.06875188587° = 81°4'3″ = 1.72766975331 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.