# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 10.2   b = 5.66   c = 6.32

Area: T = 15.98989476549
Perimeter: p = 22.18
Semiperimeter: s = 11.09

Angle ∠ A = α = 116.625529665° = 116°37'31″ = 2.03554954177 rad
Angle ∠ B = β = 29.7439552969° = 29°44'22″ = 0.51990531174 rad
Angle ∠ C = γ = 33.63551503812° = 33°38'7″ = 0.58770441186 rad

Height: ha = 3.13550877755
Height: hb = 5.6549804825
Height: hc = 5.06597935617

Median: ma = 3.15989555236
Median: mb = 7.99988936735
Median: mc = 7.6199199433

Inradius: r = 1.44217446037
Circumradius: R = 5.70549758351

Vertex coordinates: A[6.32; 0] B[0; 0] C[8.85765506329; 5.06597935617]
Centroid: CG[5.0598850211; 1.68765978539]
Coordinates of the circumscribed circle: U[3.16; 4.75498578167]
Coordinates of the inscribed circle: I[5.43; 1.44217446037]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 63.37547033502° = 63°22'29″ = 2.03554954177 rad
∠ B' = β' = 150.2660447031° = 150°15'38″ = 0.51990531174 rad
∠ C' = γ' = 146.3654849619° = 146°21'53″ = 0.58770441186 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.