17 25 30 triangle

Acute scalene triangle.

Sides: a = 17   b = 25   c = 30

Area: T = 212.4711174515
Perimeter: p = 72
Semiperimeter: s = 36

Angle ∠ A = α = 34.5132762755° = 34°30'46″ = 0.6022361344 rad
Angle ∠ B = β = 56.43109751098° = 56°25'52″ = 0.98549063158 rad
Angle ∠ C = γ = 89.05662621352° = 89°3'23″ = 1.55443249938 rad

Height: ha = 24.99766087665
Height: hb = 16.99876939612
Height: hc = 14.16547449677

Median: ma = 26.27326093108
Median: mb = 20.93444214155
Median: mc = 15.23215462117

Inradius: r = 5.90219770699
Circumradius: R = 15.00220350161

Vertex coordinates: A[30; 0] B[0; 0] C[9.4; 14.16547449677]
Centroid: CG[13.13333333333; 4.72215816559]
Coordinates of the circumscribed circle: U[15; 0.24770923414]
Coordinates of the inscribed circle: I[11; 5.90219770699]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 145.4877237245° = 145°29'14″ = 0.6022361344 rad
∠ B' = β' = 123.569902489° = 123°34'8″ = 0.98549063158 rad
∠ C' = γ' = 90.94437378648° = 90°56'37″ = 1.55443249938 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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