8.6 8.25 7.07 triangle

Acute scalene triangle.

Sides: a = 8.6   b = 8.25   c = 7.07

Area: T = 27.00107988148
Perimeter: p = 23.92
Semiperimeter: s = 11.96

Angle ∠ A = α = 67.79444919112° = 67°47'40″ = 1.18332370986 rad
Angle ∠ B = β = 62.64223073688° = 62°38'32″ = 1.09333145146 rad
Angle ∠ C = γ = 49.563320072° = 49°33'48″ = 0.86550410404 rad

Height: ha = 6.27992555383
Height: hb = 6.54656481975
Height: hc = 7.63881326209

Median: ma = 6.36766082022
Median: mb = 6.70549850857
Median: mc = 7.65495114223

Inradius: r = 2.25875918742
Circumradius: R = 4.64444598125

Vertex coordinates: A[7.07; 0] B[0; 0] C[3.95220792079; 7.63881326209]
Centroid: CG[3.67440264026; 2.5466044207]
Coordinates of the circumscribed circle: U[3.535; 3.01224378748]
Coordinates of the inscribed circle: I[3.71; 2.25875918742]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.2065508089° = 112°12'20″ = 1.18332370986 rad
∠ B' = β' = 117.3587692631° = 117°21'28″ = 1.09333145146 rad
∠ C' = γ' = 130.437679928° = 130°26'12″ = 0.86550410404 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     