# Triangle calculator SSS - result

### Acute scalene triangle.

Sides: a = 19   b = 22   c = 24

Area: T = 197.8854909733
Perimeter: p = 65
Semiperimeter: s = 32.5

Angle ∠ A = α = 48.55326288331° = 48°33'9″ = 0.84774032336 rad
Angle ∠ B = β = 60.21773922406° = 60°13'3″ = 1.05109917616 rad
Angle ∠ C = γ = 71.23299789263° = 71°13'48″ = 1.24331976584 rad

Height: ha = 20.83299904982
Height: hb = 17.99895372484
Height: hc = 16.49904091444

Median: ma = 20.97702169755
Median: mb = 18.64113518823
Median: mc = 16.68883192683

Vertex coordinates: A[24; 0] B[0; 0] C[9.43875; 16.49904091444]
Centroid: CG[11.14658333333; 5.49768030481]
Coordinates of the circumscribed circle: U[12; 4.07881280447]
Coordinates of the inscribed circle: I[10.5; 6.08987664533]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 131.4477371167° = 131°26'51″ = 0.84774032336 rad
∠ B' = β' = 119.7832607759° = 119°46'57″ = 1.05109917616 rad
∠ C' = γ' = 108.7770021074° = 108°46'12″ = 1.24331976584 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    