14 18 30 triangle

Obtuse scalene triangle.

Sides: a = 14   b = 18   c = 30

Area: T = 82.77107677867
Perimeter: p = 62
Semiperimeter: s = 31

Angle ∠ A = α = 17.85219455267° = 17°51'7″ = 0.31215752273 rad
Angle ∠ B = β = 23.2132754908° = 23°12'46″ = 0.40551390016 rad
Angle ∠ C = γ = 138.9355299565° = 138°56'7″ = 2.42548784247 rad

Height: ha = 11.82443953981
Height: hb = 9.19767519763
Height: hc = 5.51880511858

Median: ma = 23.72876210354
Median: mb = 21.6110182785
Median: mc = 5.91660797831

Inradius: r = 2.67700247673
Circumradius: R = 22.83441484625

Vertex coordinates: A[30; 0] B[0; 0] C[12.86766666667; 5.51880511858]
Centroid: CG[14.28988888889; 1.83993503953]
Coordinates of the circumscribed circle: U[15; -17.21662230472]
Coordinates of the inscribed circle: I[13; 2.67700247673]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 162.1488054473° = 162°8'53″ = 0.31215752273 rad
∠ B' = β' = 156.7877245092° = 156°47'14″ = 0.40551390016 rad
∠ C' = γ' = 41.06547004347° = 41°3'53″ = 2.42548784247 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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