19 25 26 triangle

Acute scalene triangle.

Sides: a = 19   b = 25   c = 26

Area: T = 224.4999443206
Perimeter: p = 70
Semiperimeter: s = 35

Angle ∠ A = α = 43.69108952793° = 43°41'27″ = 0.76325499758 rad
Angle ∠ B = β = 65.35444154842° = 65°21'16″ = 1.14106497309 rad
Angle ∠ C = γ = 70.95546892365° = 70°57'17″ = 1.23883929469 rad

Height: ha = 23.63215203375
Height: hb = 17.96599554565
Height: hc = 17.2699187939

Median: ma = 23.67696007571
Median: mb = 19.03328663107
Median: mc = 18

Inradius: r = 6.41442698059
Circumradius: R = 13.75328180734

Vertex coordinates: A[26; 0] B[0; 0] C[7.92330769231; 17.2699187939]
Centroid: CG[11.30876923077; 5.75663959797]
Coordinates of the circumscribed circle: U[13; 4.48877616871]
Coordinates of the inscribed circle: I[10; 6.41442698059]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 136.3099104721° = 136°18'33″ = 0.76325499758 rad
∠ B' = β' = 114.6465584516° = 114°38'44″ = 1.14106497309 rad
∠ C' = γ' = 109.0455310763° = 109°2'43″ = 1.23883929469 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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