# Triangle calculator SSS - result

### Acute scalene triangle.

Sides: a = 220.61   b = 280.61   c = 230

Area: T = 24719.99436515
Perimeter: p = 731.22
Semiperimeter: s = 365.61

Angle ∠ A = α = 49.99989629881° = 49°59'56″ = 0.87326465267 rad
Angle ∠ B = β = 77.00107926658° = 77°3″ = 1.34439173587 rad
Angle ∠ C = γ = 533.0002443461° = 53°1″ = 0.92550287682 rad

Height: ha = 224.1065830665
Height: hb = 176.1887546071
Height: hc = 214.9566466535

Median: ma = 231.6332884162
Median: mb = 176.3498782318
Median: mc = 224.6788374794

Vertex coordinates: A[230; 0] B[0; 0] C[49.62334782609; 214.9566466535]
Centroid: CG[93.2087826087; 71.65221555117]
Coordinates of the circumscribed circle: U[115; 86.65879468404]
Coordinates of the inscribed circle: I[85; 67.61330129142]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 130.0011037012° = 130°4″ = 0.87326465267 rad
∠ B' = β' = 102.9999207334° = 102°59'57″ = 1.34439173587 rad
∠ C' = γ' = 1276.999755654° = 126°59'59″ = 0.92550287682 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    