# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 3.53   b = 2.4   c = 5.85

Area: T = 1.39330168125
Perimeter: p = 11.78
Semiperimeter: s = 5.89

Angle ∠ A = α = 11.44554829155° = 11°26'44″ = 0.21997613614 rad
Angle ∠ B = β = 7.75436247459° = 7°45'13″ = 0.13553262808 rad
Angle ∠ C = γ = 160.8010892339° = 160°48'3″ = 2.80765050115 rad

Height: ha = 0.7899244653
Height: hb = 1.16108473438
Height: hc = 0.47662450641

Median: ma = 4.10880439384
Median: mb = 4.68799252131
Median: mc = 0.74548657597

Inradius: r = 0.23765054011
Circumradius: R = 8.8954580373

Vertex coordinates: A[5.85; 0] B[0; 0] C[3.49877264957; 0.47662450641]
Centroid: CG[3.11659088319; 0.15987483547]
Coordinates of the circumscribed circle: U[2.925; -8.43998770831]
Coordinates of the inscribed circle: I[3.49; 0.23765054011]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 168.5554517085° = 168°33'16″ = 0.21997613614 rad
∠ B' = β' = 172.2466375254° = 172°14'47″ = 0.13553262808 rad
∠ C' = γ' = 19.19991076613° = 19°11'57″ = 2.80765050115 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.