Right scalene triangle.

Sides: a = 78   b = 81.6   c = 23.97699812265

Area: T = 934.8299267835
Perimeter: p = 183.5769981227
Semiperimeter: s = 91.78549906133

Angle ∠ A = α = 72.91774167566° = 72°55'3″ = 1.27326490045 rad
Angle ∠ B = β = 90° = 1.57107963268 rad
Angle ∠ C = γ = 17.08325832434° = 17°4'57″ = 0.29881473223 rad

Height: h_a = 23.97699812265
Height: h_b = 22.91224820548
Height: h_c = 78

Median: m_a = 45.77772869445
Median: m_b = 40.8
Median: m_c = 78.91553977371

Inradius: r = 10.18549906133
Circumradius: R = 40.8

Vertex coordinates: A[23.97699812265; 0] B[0; 0] C[-0; 78]
Centroid: CG[7.99899937422; 26]
Coordinates of the circumscribed circle: U[11.98549906133; 39]
Coordinates of the inscribed circle: I[10.18549906133; 10.18549906133]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 107.0832583243° = 107°4'57″ = 1.27326490045 rad
∠ B' = β' = 90° = 1.57107963268 rad
∠ C' = γ' = 162.9177416757° = 162°55'3″ = 0.29881473223 rad

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