# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 113.52   b = 500   c = 400

Area: T = 11992.44223106
Perimeter: p = 1013.52
Semiperimeter: s = 506.76

Angle ∠ A = α = 6.88877408439° = 6°53'16″ = 0.12202137557 rad
Angle ∠ B = β = 148.1165520205° = 148°6'56″ = 2.58551035009 rad
Angle ∠ C = γ = 24.99767389515° = 24°59'48″ = 0.4366275397 rad

Height: ha = 211.2833338806
Height: hb = 47.97697692426
Height: hc = 59.96222115532

Median: ma = 449.1977398033
Median: mb = 154.7376534794
Median: mc = 302.3966089922

Inradius: r = 23.66549347041
Circumradius: R = 473.2988086659

Vertex coordinates: A[400; 0] B[0; 0] C[-96.3921512; 59.96222115532]
Centroid: CG[101.2032829333; 19.98774038511]
Coordinates of the circumscribed circle: U[200; 428.965512543]
Coordinates of the inscribed circle: I[6.76; 23.66549347041]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 173.1122259156° = 173°6'44″ = 0.12202137557 rad
∠ B' = β' = 31.88444797954° = 31°53'4″ = 2.58551035009 rad
∠ C' = γ' = 155.0033261048° = 155°12″ = 0.4366275397 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.