# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 9.22   b = 6.08   c = 8.94

Area: T = 25.983258389
Perimeter: p = 24.24
Semiperimeter: s = 12.12

Angle ∠ A = α = 72.94661163702° = 72°56'46″ = 1.27331499072 rad
Angle ∠ B = β = 39.08326067201° = 39°4'57″ = 0.68221201675 rad
Angle ∠ C = γ = 67.97112769097° = 67°58'17″ = 1.18663225789 rad

Height: ha = 5.63661353341
Height: hb = 8.54769025954
Height: hc = 5.81326585884

Median: ma = 6.09985981996
Median: mb = 8.55771256856
Median: mc = 6.4043631782

Inradius: r = 2.14437775487
Circumradius: R = 4.82220275755

Vertex coordinates: A[8.94; 0] B[0; 0] C[7.15769127517; 5.81326585884]
Centroid: CG[5.36656375839; 1.93875528628]
Coordinates of the circumscribed circle: U[4.47; 1.80986044174]
Coordinates of the inscribed circle: I[6.04; 2.14437775487]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 107.054388363° = 107°3'14″ = 1.27331499072 rad
∠ B' = β' = 140.917739328° = 140°55'3″ = 0.68221201675 rad
∠ C' = γ' = 112.029872309° = 112°1'43″ = 1.18663225789 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    