Right scalene triangle.

Sides: a = 288.0076944361   b = 258   c = 128

Area: T = 16512
Perimeter: p = 674.0076944361
Semiperimeter: s = 337.003347218

Angle ∠ A = α = 90° = 1.57107963268 rad
Angle ∠ B = β = 63.61328854543° = 63°36'46″ = 1.11102542979 rad
Angle ∠ C = γ = 26.38771145457° = 26°23'14″ = 0.46105420289 rad

Height: h_a = 114.6643901849
Height: h_b = 128
Height: h_c = 258

Median: m_a = 144.003347218
Median: m_b = 181.7287818454
Median: m_c = 265.8199487623

Inradius: r = 48.99765278196
Circumradius: R = 144.003347218

Vertex coordinates: A[128; 0] B[0; 0] C[128; 258]
Centroid: CG[85.33333333333; 86]
Coordinates of the circumscribed circle: U[64; 129]
Coordinates of the inscribed circle: I[79.00334721804; 48.99765278196]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90° = 1.57107963268 rad
∠ B' = β' = 116.3877114546° = 116°23'14″ = 1.11102542979 rad
∠ C' = γ' = 153.6132885454° = 153°36'46″ = 0.46105420289 rad

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