# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 2.3   b = 1.8   c = 0.56

Area: T = 0.25660726264
Perimeter: p = 4.66
Semiperimeter: s = 2.33

Angle ∠ A = α = 149.464393563° = 149°27'50″ = 2.60986377897 rad
Angle ∠ B = β = 23.43299956613° = 23°25'48″ = 0.4098930568 rad
Angle ∠ C = γ = 7.10660687092° = 7°6'22″ = 0.12440242958 rad

Height: ha = 0.22326718491
Height: hb = 0.28545251405
Height: hc = 0.91545450943

Median: ma = 0.67440178039
Median: mb = 1.41113114468
Median: mc = 2.04661182762

Inradius: r = 0.11099024148
Circumradius: R = 2.26334203746

Vertex coordinates: A[0.56; 0] B[0; 0] C[2.11103571429; 0.91545450943]
Centroid: CG[0.89901190476; 0.30548483648]
Coordinates of the circumscribed circle: U[0.28; 2.24660346818]
Coordinates of the inscribed circle: I[0.53; 0.11099024148]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 30.53660643704° = 30°32'10″ = 2.60986377897 rad
∠ B' = β' = 156.5770004339° = 156°34'12″ = 0.4098930568 rad
∠ C' = γ' = 172.8943931291° = 172°53'38″ = 0.12440242958 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.