2 15 16 triangle

Obtuse scalene triangle.

Sides: a = 2   b = 15   c = 16

Area: T = 13.39554283246
Perimeter: p = 33
Semiperimeter: s = 16.5

Angle ∠ A = α = 6.40992039782° = 6°24'33″ = 0.11218617119 rad
Angle ∠ B = β = 56.84771120714° = 56°50'50″ = 0.99221692759 rad
Angle ∠ C = γ = 116.744368395° = 116°44'37″ = 2.03875616658 rad

Height: ha = 13.39554283246
Height: hb = 1.78660571099
Height: hc = 1.67444285406

Median: ma = 15.47657875405
Median: mb = 8.58877820187
Median: mc = 7.10663352018

Inradius: r = 0.81218441409
Circumradius: R = 8.95882801753

Vertex coordinates: A[16; 0] B[0; 0] C[1.094375; 1.67444285406]
Centroid: CG[5.69879166667; 0.55881428469]
Coordinates of the circumscribed circle: U[8; -4.03112260789]
Coordinates of the inscribed circle: I[1.5; 0.81218441409]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 173.5910796022° = 173°35'27″ = 0.11218617119 rad
∠ B' = β' = 123.1532887929° = 123°9'10″ = 0.99221692759 rad
∠ C' = γ' = 63.25663160496° = 63°15'23″ = 2.03875616658 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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