1000 1000 730 triangle

Acute isosceles triangle.

Sides: a = 1000   b = 1000   c = 730

Area: T = 339817.744435
Perimeter: p = 2730
Semiperimeter: s = 1365

Angle ∠ A = α = 68.59224172961° = 68°35'33″ = 1.19771635237 rad
Angle ∠ B = β = 68.59224172961° = 68°35'33″ = 1.19771635237 rad
Angle ∠ C = γ = 42.81551654077° = 42°48'55″ = 0.74772656062 rad

Height: ha = 679.63554887
Height: hb = 679.63554887
Height: hc = 931.0087518767

Median: ma = 718.6454557483
Median: mb = 718.6454557483
Median: mc = 931.0087518767

Inradius: r = 248.9510728461
Circumradius: R = 537.0532590792

Vertex coordinates: A[730; 0] B[0; 0] C[365; 931.0087518767]
Centroid: CG[365; 310.3365839589]
Coordinates of the circumscribed circle: U[365; 393.9554927975]
Coordinates of the inscribed circle: I[365; 248.9510728461]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 111.4087582704° = 111°24'27″ = 1.19771635237 rad
∠ B' = β' = 111.4087582704° = 111°24'27″ = 1.19771635237 rad
∠ C' = γ' = 137.1854834592° = 137°11'5″ = 0.74772656062 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     