455 495 672 triangle

Acute scalene triangle.

Sides: a = 455   b = 495   c = 672

Area: T = 112612.4439739
Perimeter: p = 1622
Semiperimeter: s = 811

Angle ∠ A = α = 42.61661145003° = 42°36'58″ = 0.74437915124 rad
Angle ∠ B = β = 47.44331591994° = 47°26'35″ = 0.82880393356 rad
Angle ∠ C = γ = 89.94107263003° = 89°56'27″ = 1.57697618056 rad

Height: ha = 4954.999735117
Height: hb = 4554.999756522
Height: hc = 335.1566070652

Median: ma = 544.5622439028
Median: mb = 517.7343763628
Median: mc = 336.3476547477

Inradius: r = 138.8566275881
Circumradius: R = 3366.000179799

Vertex coordinates: A[672; 0] B[0; 0] C[307.7266190476; 335.1566070652]
Centroid: CG[326.5755396825; 111.7198690217]
Coordinates of the circumscribed circle: U[336; 0.34875992536]
Coordinates of the inscribed circle: I[316; 138.8566275881]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 137.38438855° = 137°23'2″ = 0.74437915124 rad
∠ B' = β' = 132.5576840801° = 132°33'25″ = 0.82880393356 rad
∠ C' = γ' = 90.05992736997° = 90°3'33″ = 1.57697618056 rad

How did we calculate this triangle?

1. The triangle circumference is the sum of the lengths of its three sides 2. Semiperimeter of the triangle 3. The triangle area using Heron's formula 4. Calculate the heights of the triangle from its area. 5. Calculation of the inner angles of the triangle using a Law of Cosines     