Triangle calculator SSS - result

Please enter the triangle sides:

Obtuse scalene triangle.

Sides: a = 1849.2   b = 2575.44   c = 1500

Area: T = 1365828.994439
Perimeter: p = 5924.64
Semiperimeter: s = 2962.32

Angle ∠ A = α = 454.9998186949° = 44°59'59″ = 0.7855394999 rad
Angle ∠ B = β = 1000.000208942° = 100°1″ = 1.74553328987 rad
Angle ∠ C = γ = 354.9999723636° = 35° = 0.61108647559 rad

Height: ha = 1477.211067964
Height: hb = 1060.657681545
Height: hc = 1821.105532586

Median: ma = 1893.822164862
Median: mb = 1084.688775304
Median: mc = 2112.751079382

Inradius: r = 461.0677337221
Circumradius: R = 1307.586599746

Vertex coordinates: A[1500; 0] B[0; 0] C[-321.11768512; 1821.105532586]
Centroid: CG[392.96110496; 607.035510862]
Coordinates of the circumscribed circle: U[750; 1071.112210467]
Coordinates of the inscribed circle: I[386.88; 461.0677337221]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 1355.000181305° = 135°1″ = 0.7855394999 rad
∠ B' = β' = 809.9997910585° = 79°59'59″ = 1.74553328987 rad
∠ C' = γ' = 1455.000027636° = 145° = 0.61108647559 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     