Triangle calculator SSS - result

Please enter the triangle sides:

Acute scalene triangle.

Sides: a = 189.74   b = 63.25   c = 200

Area: T = 6000.527748256
Perimeter: p = 452.99
Semiperimeter: s = 226.495

Angle ∠ A = α = 71.56880770626° = 71°34'5″ = 1.24990985841 rad
Angle ∠ B = β = 18.43662915953° = 18°26'11″ = 0.32217739902 rad
Angle ∠ C = γ = 89.99656313422° = 89°59'44″ = 1.57107200793 rad

Height: ha = 63.25499998161
Height: hb = 189.7439999448
Height: hc = 60.00552748256

Median: ma = 114.0177386174
Median: mb = 192.355512256
Median: mc = 100.0054575145

Inradius: r = 26.49329799005
Circumradius: R = 1000.000000291

Vertex coordinates: A[200; 0] B[0; 0] C[180.002176275; 60.00552748256]
Centroid: CG[126.667725425; 20.00217582752]
Coordinates of the circumscribed circle: U[100; 0.00876247463]
Coordinates of the inscribed circle: I[163.245; 26.49329799005]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 108.4321922937° = 108°25'55″ = 1.24990985841 rad
∠ B' = β' = 161.5643708405° = 161°33'49″ = 0.32217739902 rad
∠ C' = γ' = 90.00443686578° = 90°16″ = 1.57107200793 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     