22 26 28 triangle

Acute scalene triangle.

Sides: a = 22   b = 26   c = 28

Area: T = 270.1111088258
Perimeter: p = 76
Semiperimeter: s = 38

Angle ∠ A = α = 47.90774859842° = 47°54'27″ = 0.83661433668 rad
Angle ∠ B = β = 61.28106643991° = 61°16'50″ = 1.07695493616 rad
Angle ∠ C = γ = 70.81218496167° = 70°48'43″ = 1.23658999252 rad

Height: ha = 24.5565553478
Height: hb = 20.77877760199
Height: hc = 19.29436491613

Median: ma = 24.67879253585
Median: mb = 21.56438586528
Median: mc = 19.59659179423

Inradius: r = 7.10881865331
Circumradius: R = 14.82435306659

Vertex coordinates: A[28; 0] B[0; 0] C[10.57114285714; 19.29436491613]
Centroid: CG[12.85771428571; 6.43112163871]
Coordinates of the circumscribed circle: U[14; 4.87220695196]
Coordinates of the inscribed circle: I[12; 7.10881865331]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 132.0932514016° = 132°5'33″ = 0.83661433668 rad
∠ B' = β' = 118.7199335601° = 118°43'10″ = 1.07695493616 rad
∠ C' = γ' = 109.1888150383° = 109°11'17″ = 1.23658999252 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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