Acute isosceles triangle.

Sides: a = 11   b = 29   c = 29

Area: T = 156.6055196274
Perimeter: p = 69
Semiperimeter: s = 34.5

Angle ∠ A = α = 21.86553222896° = 21°51'55″ = 0.3821621866 rad
Angle ∠ B = β = 79.06773388552° = 79°4'2″ = 1.38799853938 rad
Angle ∠ C = γ = 79.06773388552° = 79°4'2″ = 1.38799853938 rad

Height: h_a = 28.47436720498
Height: h_b = 10.88003583637
Height: h_c = 10.88003583637

Median: m_a = 28.47436720498
Median: m_b = 16.45444826719
Median: m_c = 16.45444826719

Inradius: r = 4.53992810514
Circumradius: R = 14.76880284884

Vertex coordinates: A[29; 0] B[0; 0] C[2.08662068966; 10.88003583637]
Centroid: CG[10.36220689655; 3.66001194546]
Coordinates of the circumscribed circle: U[14.5; 2.80108329892]
Coordinates of the inscribed circle: I[5.5; 4.53992810514]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 158.135467771° = 158°8'5″ = 0.3821621866 rad
∠ B' = β' = 100.9332661145° = 100°55'58″ = 1.38799853938 rad
∠ C' = γ' = 100.9332661145° = 100°55'58″ = 1.38799853938 rad

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