9 29 30 triangle

Acute scalene triangle.

Sides: a = 9   b = 29   c = 30

Area: T = 130.3844048104
Perimeter: p = 68
Semiperimeter: s = 34

Angle ∠ A = α = 17.44215938563° = 17°26'30″ = 0.30444132396 rad
Angle ∠ B = β = 74.97438862409° = 74°58'26″ = 1.30985411679 rad
Angle ∠ C = γ = 87.58545199028° = 87°35'4″ = 1.52986382461 rad

Height: ha = 28.9744232912
Height: hb = 8.99220033175
Height: hc = 8.69222698736

Median: ma = 29.15990466236
Median: mb = 16.74106690428
Median: mc = 15.36222914957

Inradius: r = 3.83548249442
Circumradius: R = 15.01333396567

Vertex coordinates: A[30; 0] B[0; 0] C[2.33333333333; 8.69222698736]
Centroid: CG[10.77877777778; 2.89774232912]
Coordinates of the circumscribed circle: U[15; 0.63327461158]
Coordinates of the inscribed circle: I[5; 3.83548249442]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 162.5588406144° = 162°33'30″ = 0.30444132396 rad
∠ B' = β' = 105.0266113759° = 105°1'34″ = 1.30985411679 rad
∠ C' = γ' = 92.41554800972° = 92°24'56″ = 1.52986382461 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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