# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 15.8   b = 43.72   c = 41.36

Area: T = 326.5165679642
Perimeter: p = 100.88
Semiperimeter: s = 50.44

Angle ∠ A = α = 21.17701093913° = 21°10'12″ = 0.36994881119 rad
Angle ∠ B = β = 87.85879409909° = 87°51'29″ = 1.53334103443 rad
Angle ∠ C = γ = 70.97219496177° = 70°58'19″ = 1.23986941974 rad

Height: ha = 41.33110986889
Height: hb = 14.93766733597
Height: hc = 15.78989593637

Median: ma = 41.81766713166
Median: mb = 22.41217201482
Median: mc = 25.55114539704

Inradius: r = 6.47333481293
Circumradius: R = 21.87552858908

Vertex coordinates: A[41.36; 0] B[0; 0] C[0.59105609284; 15.78989593637]
Centroid: CG[13.98435203095; 5.26329864546]
Coordinates of the circumscribed circle: U[20.68; 7.13220216492]
Coordinates of the inscribed circle: I[6.72; 6.47333481293]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 158.8329890609° = 158°49'48″ = 0.36994881119 rad
∠ B' = β' = 92.14220590091° = 92°8'31″ = 1.53334103443 rad
∠ C' = γ' = 109.0288050382° = 109°1'41″ = 1.23986941974 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.