4 25 26 triangle

Obtuse scalene triangle.

Sides: a = 4   b = 25   c = 26

Area: T = 49.22884216688
Perimeter: p = 55
Semiperimeter: s = 27.5

Angle ∠ A = α = 8.71222446146° = 8°42'44″ = 0.15220573538 rad
Angle ∠ B = β = 71.20990972776° = 71°12'33″ = 1.24328332049 rad
Angle ∠ C = γ = 100.0798658108° = 100°4'43″ = 1.7476702095 rad

Height: ha = 24.61442108344
Height: hb = 3.93882737335
Height: hc = 3.78768016668

Median: ma = 25.42663642702
Median: mb = 13.7754977314
Median: mc = 12.30985336251

Inradius: r = 1.79901244243
Circumradius: R = 13.20437546191

Vertex coordinates: A[26; 0] B[0; 0] C[1.28884615385; 3.78768016668]
Centroid: CG[9.09661538462; 1.26222672223]
Coordinates of the circumscribed circle: U[13; -2.31106570583]
Coordinates of the inscribed circle: I[2.5; 1.79901244243]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 171.2887755385° = 171°17'16″ = 0.15220573538 rad
∠ B' = β' = 108.7910902722° = 108°47'27″ = 1.24328332049 rad
∠ C' = γ' = 79.92113418922° = 79°55'17″ = 1.7476702095 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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