# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 1.06   b = 0.87   c = 0.92

Area: T = 0.38218088977
Perimeter: p = 2.85
Semiperimeter: s = 1.425

Angle ∠ A = α = 72.5632656645° = 72°33'46″ = 1.26664572724 rad
Angle ∠ B = β = 51.5399498188° = 51°32'22″ = 0.98995339382 rad
Angle ∠ C = γ = 55.8987845167° = 55°53'52″ = 0.97656014429 rad

Height: ha = 0.72203941466
Height: hb = 0.87877216039
Height: hc = 0.83300193429

Median: ma = 0.72216300992
Median: mb = 0.89220622176
Median: mc = 0.85436099812

Inradius: r = 0.26879360686
Circumradius: R = 0.55655292223

Vertex coordinates: A[0.92; 0] B[0; 0] C[0.65992934783; 0.83300193429]
Centroid: CG[0.52664311594; 0.27766731143]
Coordinates of the circumscribed circle: U[0.46; 0.31114686449]
Coordinates of the inscribed circle: I[0.555; 0.26879360686]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 107.4377343355° = 107°26'14″ = 1.26664572724 rad
∠ B' = β' = 128.4610501812° = 128°27'38″ = 0.98995339382 rad
∠ C' = γ' = 124.1022154833° = 124°6'8″ = 0.97656014429 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   