16 16 30 triangle

Obtuse isosceles triangle.

Sides: a = 16   b = 16   c = 30

Area: T = 83.51664654425
Perimeter: p = 62
Semiperimeter: s = 31

Angle ∠ A = α = 20.36441348063° = 20°21'51″ = 0.35554212017 rad
Angle ∠ B = β = 20.36441348063° = 20°21'51″ = 0.35554212017 rad
Angle ∠ C = γ = 139.2721730387° = 139°16'18″ = 2.43107502502 rad

Height: ha = 10.44395581803
Height: hb = 10.44395581803
Height: hc = 5.56877643628

Median: ma = 22.67215680975
Median: mb = 22.67215680975
Median: mc = 5.56877643628

Inradius: r = 2.69440795304
Circumradius: R = 22.98994786594

Vertex coordinates: A[30; 0] B[0; 0] C[15; 5.56877643628]
Centroid: CG[15; 1.85659214543]
Coordinates of the circumscribed circle: U[15; -17.42217142966]
Coordinates of the inscribed circle: I[15; 2.69440795304]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 159.6365865194° = 159°38'9″ = 0.35554212017 rad
∠ B' = β' = 159.6365865194° = 159°38'9″ = 0.35554212017 rad
∠ C' = γ' = 40.72882696126° = 40°43'42″ = 2.43107502502 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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