16 17 30 triangle

Obtuse scalene triangle.

Sides: a = 16   b = 17   c = 30

Area: T = 103.051065502
Perimeter: p = 63
Semiperimeter: s = 31.5

Angle ∠ A = α = 23.83660070776° = 23°50'10″ = 0.4166016804 rad
Angle ∠ B = β = 25.42880757607° = 25°25'41″ = 0.44438036445 rad
Angle ∠ C = γ = 130.7365917162° = 130°44'9″ = 2.28217722051 rad

Height: ha = 12.88113318775
Height: hb = 12.12436064729
Height: hc = 6.8770043668

Median: ma = 23.03325856126
Median: mb = 22.4898886144
Median: mc = 6.8922024376

Inradius: r = 3.27114493657
Circumradius: R = 19.79660895989

Vertex coordinates: A[30; 0] B[0; 0] C[14.45; 6.8770043668]
Centroid: CG[14.81766666667; 2.2990014556]
Coordinates of the circumscribed circle: U[15; -12.91884040581]
Coordinates of the inscribed circle: I[14.5; 3.27114493657]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.1643992922° = 156°9'50″ = 0.4166016804 rad
∠ B' = β' = 154.5721924239° = 154°34'19″ = 0.44438036445 rad
∠ C' = γ' = 49.26440828384° = 49°15'51″ = 2.28217722051 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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