Triangle calculator SSS - result

Please enter the triangle sides:

Obtuse scalene triangle.

Sides: a = 44   b = 32   c = 15.12

Area: T = 171.2879870408
Perimeter: p = 91.12
Semiperimeter: s = 45.56

Angle ∠ A = α = 134.9277406885° = 134°55'39″ = 2.35549275013 rad
Angle ∠ B = β = 30.99114812462° = 30°59'29″ = 0.54109033878 rad
Angle ∠ C = γ = 14.08111118686° = 14°4'52″ = 0.24657617644 rad

Height: ha = 7.78554486549
Height: hb = 10.70549919005
Height: hc = 22.65660675143

Median: ma = 11.92992581496
Median: mb = 28.74655596571
Median: mc = 37.72106362619

Inradius: r = 3.75994352592
Circumradius: R = 31.07333537299

Vertex coordinates: A[15.12; 0] B[0; 0] C[37.71987301587; 22.65660675143]
Centroid: CG[17.61329100529; 7.55220225048]
Coordinates of the circumscribed circle: U[7.56; 30.14396700715]
Coordinates of the inscribed circle: I[13.56; 3.75994352592]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 45.07325931149° = 45°4'21″ = 2.35549275013 rad
∠ B' = β' = 149.0098518754° = 149°31″ = 0.54109033878 rad
∠ C' = γ' = 165.9198888131° = 165°55'8″ = 0.24657617644 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     