7 14 14 triangle

Acute isosceles triangle.

Sides: a = 7   b = 14   c = 14

Area: T = 47.4444045991
Perimeter: p = 35
Semiperimeter: s = 17.5

Angle ∠ A = α = 28.95550243719° = 28°57'18″ = 0.50553605103 rad
Angle ∠ B = β = 75.52224878141° = 75°31'21″ = 1.31881160717 rad
Angle ∠ C = γ = 75.52224878141° = 75°31'21″ = 1.31881160717 rad

Height: ha = 13.55554417117
Height: hb = 6.77877208559
Height: hc = 6.77877208559

Median: ma = 13.55554417117
Median: mb = 8.57332140997
Median: mc = 8.57332140997

Inradius: r = 2.71110883423
Circumradius: R = 7.23295689129

Vertex coordinates: A[14; 0] B[0; 0] C[1.75; 6.77877208559]
Centroid: CG[5.25; 2.25992402853]
Coordinates of the circumscribed circle: U[7; 1.80773922282]
Coordinates of the inscribed circle: I[3.5; 2.71110883423]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 151.0454975628° = 151°2'42″ = 0.50553605103 rad
∠ B' = β' = 104.4787512186° = 104°28'39″ = 1.31881160717 rad
∠ C' = γ' = 104.4787512186° = 104°28'39″ = 1.31881160717 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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