# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 24.69   b = 66.69   c = 57.44

Area: T = 696.1954813531
Perimeter: p = 148.82
Semiperimeter: s = 74.41

Angle ∠ A = α = 21.31443323027° = 21°18'52″ = 0.37220052765 rad
Angle ∠ B = β = 100.9466464266° = 100°56'47″ = 1.76218481697 rad
Angle ∠ C = γ = 57.73992034312° = 57°44'21″ = 1.00877392074 rad

Height: ha = 56.39548816145
Height: hb = 20.8798536918
Height: hc = 24.24107664879

Median: ma = 611.0004575803
Median: mb = 29.02773289333
Median: mc = 41.27663576397

Inradius: r = 9.35661996174
Circumradius: R = 33.963295453

Vertex coordinates: A[57.44; 0] B[0; 0] C[-4.68884261838; 24.24107664879]
Centroid: CG[17.58438579387; 8.0880255496]
Coordinates of the circumscribed circle: U[28.72; 18.1298537735]
Coordinates of the inscribed circle: I[7.72; 9.35661996174]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 158.6865667697° = 158°41'8″ = 0.37220052765 rad
∠ B' = β' = 79.05435357339° = 79°3'13″ = 1.76218481697 rad
∠ C' = γ' = 122.2610796569° = 122°15'39″ = 1.00877392074 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.