# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 51.18   b = 24.34   c = 65

Area: T = 569.0322497476
Perimeter: p = 140.52
Semiperimeter: s = 70.26

Angle ∠ A = α = 465.9998695013° = 46° = 0.80328491783 rad
Angle ∠ B = β = 20.00548861213° = 20°18″ = 0.34991511293 rad
Angle ∠ C = γ = 113.9955244377° = 113°59'43″ = 1.9989592346 rad

Height: ha = 22.23765180725
Height: hb = 46.75769841804
Height: hc = 17.509869223

Median: ma = 41.87992275478
Median: mb = 57.22196408587
Median: mc = 23.44549141606

Inradius: r = 8.09989538496
Circumradius: R = 35.57443645395

Vertex coordinates: A[65; 0] B[0; 0] C[48.09219753846; 17.509869223]
Centroid: CG[37.69773251282; 5.83662307433]
Coordinates of the circumscribed circle: U[32.5; -14.46767001209]
Coordinates of the inscribed circle: I[45.92; 8.09989538496]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 1344.000130499° = 134° = 0.80328491783 rad
∠ B' = β' = 159.9955113879° = 159°59'42″ = 0.34991511293 rad
∠ C' = γ' = 66.00547556225° = 66°17″ = 1.9989592346 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.