Triangle calculator SSS - result

Please enter the triangle sides:

Acute scalene triangle.

Sides: a = 49   b = 44   c = 36.13

Area: T = 766.5921701117
Perimeter: p = 129.13
Semiperimeter: s = 64.565

Angle ∠ A = α = 74.67436859326° = 74°40'25″ = 1.30333016841 rad
Angle ∠ B = β = 609.999871072° = 60° = 1.0477195301 rad
Angle ∠ C = γ = 45.32664429954° = 45°19'35″ = 0.79110956685 rad

Height: ha = 31.28994571885
Height: hb = 34.84550773235
Height: hc = 42.4355189655

Median: ma = 31.94443023089
Median: mb = 37.0032546534
Median: mc = 42.92203422051

Inradius: r = 11.87331774354
Circumradius: R = 25.40334448477

Vertex coordinates: A[36.13; 0] B[0; 0] C[24.55000954885; 42.4355189655]
Centroid: CG[20.21100318295; 14.14550632183]
Coordinates of the circumscribed circle: U[18.065; 17.86603131307]
Coordinates of the inscribed circle: I[20.565; 11.87331774354]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 105.3266314067° = 105°19'35″ = 1.30333016841 rad
∠ B' = β' = 1200.000128928° = 120° = 1.0477195301 rad
∠ C' = γ' = 134.6743557005° = 134°40'25″ = 0.79110956685 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     