4.595 4.595 6.5 triangle

Obtuse isosceles triangle.

Sides: a = 4.595   b = 4.595   c = 6.5

Area: T = 10.55770110738
Perimeter: p = 15.69
Semiperimeter: s = 7.845

Angle ∠ A = α = 44.98551089215° = 44°59'6″ = 0.7855138265 rad
Angle ∠ B = β = 44.98551089215° = 44°59'6″ = 0.7855138265 rad
Angle ∠ C = γ = 90.0329782157° = 90°1'47″ = 1.57113161235 rad

Height: ha = 4.59549993792
Height: hb = 4.59549993792
Height: hc = 3.24883110996

Median: ma = 5.13884342216
Median: mb = 5.13884342216
Median: mc = 3.24883110996

Inradius: r = 1.34656993083
Circumradius: R = 3.25500004391

Vertex coordinates: A[6.5; 0] B[0; 0] C[3.25; 3.24883110996]
Centroid: CG[3.25; 1.08327703665]
Coordinates of the circumscribed circle: U[3.25; -0.00216893394]
Coordinates of the inscribed circle: I[3.25; 1.34656993083]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.0154891079° = 135°54″ = 0.7855138265 rad
∠ B' = β' = 135.0154891079° = 135°54″ = 0.7855138265 rad
∠ C' = γ' = 89.9770217843° = 89°58'13″ = 1.57113161235 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     