14 15 20 triangle

Acute scalene triangle.

Sides: a = 14   b = 15   c = 20

Area: T = 104.8698667866
Perimeter: p = 49
Semiperimeter: s = 24.5

Angle ∠ A = α = 44.35768008383° = 44°21'24″ = 0.77441722203 rad
Angle ∠ B = β = 48.50991831443° = 48°30'33″ = 0.84766449633 rad
Angle ∠ C = γ = 87.13440160174° = 87°8'2″ = 1.521077547 rad

Height: ha = 14.98112382666
Height: hb = 13.98224890488
Height: hc = 10.48768667866

Median: ma = 16.23326830807
Median: mb = 15.54883118055
Median: mc = 10.51218980208

Inradius: r = 4.28803537905
Circumradius: R = 10.01325234864

Vertex coordinates: A[20; 0] B[0; 0] C[9.275; 10.48768667866]
Centroid: CG[9.75883333333; 3.49656222622]
Coordinates of the circumscribed circle: U[10; 0.50106261743]
Coordinates of the inscribed circle: I[9.5; 4.28803537905]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.6433199162° = 135°38'36″ = 0.77441722203 rad
∠ B' = β' = 131.4910816856° = 131°29'27″ = 0.84766449633 rad
∠ C' = γ' = 92.86659839826° = 92°51'58″ = 1.521077547 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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