16 26 28 triangle

Acute scalene triangle.

Sides: a = 16   b = 26   c = 28

Area: T = 204.6832681241
Perimeter: p = 70
Semiperimeter: s = 35

Angle ∠ A = α = 34.21660511313° = 34°12'58″ = 0.59771827493 rad
Angle ∠ B = β = 66.03105176822° = 66°1'50″ = 1.15224499404 rad
Angle ∠ C = γ = 79.75334311865° = 79°45'12″ = 1.3921959964 rad

Height: ha = 25.58553351551
Height: hb = 15.74548216339
Height: hc = 14.62201915172

Median: ma = 25.80769758011
Median: mb = 18.73549939952
Median: mc = 16.43216767252

Inradius: r = 5.84880766069
Circumradius: R = 14.22768998156

Vertex coordinates: A[28; 0] B[0; 0] C[6.5; 14.62201915172]
Centroid: CG[11.5; 4.87333971724]
Coordinates of the circumscribed circle: U[14; 2.53107466018]
Coordinates of the inscribed circle: I[9; 5.84880766069]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 145.7843948869° = 145°47'2″ = 0.59771827493 rad
∠ B' = β' = 113.9699482318° = 113°58'10″ = 1.15224499404 rad
∠ C' = γ' = 100.2476568814° = 100°14'48″ = 1.3921959964 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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