150 150 130 triangle

Acute isosceles triangle.

Sides: a = 150   b = 150   c = 130

Area: T = 8787.029879249
Perimeter: p = 430
Semiperimeter: s = 215

Angle ∠ A = α = 64.32107113805° = 64°19'15″ = 1.12326081908 rad
Angle ∠ B = β = 64.32107113805° = 64°19'15″ = 1.12326081908 rad
Angle ∠ C = γ = 51.35985772389° = 51°21'31″ = 0.8966376272 rad

Height: ha = 117.16603839
Height: hb = 117.16603839
Height: hc = 135.1855058346

Median: ma = 118.6388105177
Median: mb = 118.6388105177
Median: mc = 135.1855058346

Inradius: r = 40.87699013604
Circumradius: R = 83.21992561637

Vertex coordinates: A[130; 0] B[0; 0] C[65; 135.1855058346]
Centroid: CG[65; 45.06216861153]
Coordinates of the circumscribed circle: U[65; 51.96658021822]
Coordinates of the inscribed circle: I[65; 40.87699013604]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 115.6799288619° = 115°40'45″ = 1.12326081908 rad
∠ B' = β' = 115.6799288619° = 115°40'45″ = 1.12326081908 rad
∠ C' = γ' = 128.6411422761° = 128°38'29″ = 0.8966376272 rad

Calculate another triangle




How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS.


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