10 21 24 triangle

Obtuse scalene triangle.

Sides: a = 10   b = 21   c = 24

Area: T = 104.6354781502
Perimeter: p = 55
Semiperimeter: s = 27.5

Angle ∠ A = α = 24.5333007117° = 24°31'59″ = 0.42881817496 rad
Angle ∠ B = β = 60.68768010358° = 60°41'12″ = 1.05991844906 rad
Angle ∠ C = γ = 94.78801918472° = 94°46'49″ = 1.65442264134 rad

Height: ha = 20.92769563004
Height: hb = 9.96552172859
Height: hc = 8.72195651252

Median: ma = 21.98986334273
Median: mb = 15.09113882728
Median: mc = 11.24772218792

Inradius: r = 3.80549011455
Circumradius: R = 12.04218849441

Vertex coordinates: A[24; 0] B[0; 0] C[4.89658333333; 8.72195651252]
Centroid: CG[9.63219444444; 2.90765217084]
Coordinates of the circumscribed circle: U[12; -1.0033490412]
Coordinates of the inscribed circle: I[6.5; 3.80549011455]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 155.4676992883° = 155°28'1″ = 0.42881817496 rad
∠ B' = β' = 119.3133198964° = 119°18'48″ = 1.05991844906 rad
∠ C' = γ' = 85.22198081528° = 85°13'11″ = 1.65442264134 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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