3 3 4 triangle

Acute isosceles triangle.

Sides: a = 3   b = 3   c = 4

Area: T = 4.4722135955
Perimeter: p = 10
Semiperimeter: s = 5

Angle ∠ A = α = 48.19896851042° = 48°11'23″ = 0.84110686706 rad
Angle ∠ B = β = 48.19896851042° = 48°11'23″ = 0.84110686706 rad
Angle ∠ C = γ = 83.62106297916° = 83°37'14″ = 1.45994553125 rad

Height: ha = 2.981142397
Height: hb = 2.981142397
Height: hc = 2.23660679775

Median: ma = 3.20215621187
Median: mb = 3.20215621187
Median: mc = 2.23660679775

Inradius: r = 0.8944427191
Circumradius: R = 2.01224611797

Vertex coordinates: A[4; 0] B[0; 0] C[2; 2.23660679775]
Centroid: CG[2; 0.74553559925]
Coordinates of the circumscribed circle: U[2; 0.22436067977]
Coordinates of the inscribed circle: I[2; 0.8944427191]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 131.8110314896° = 131°48'37″ = 0.84110686706 rad
∠ B' = β' = 131.8110314896° = 131°48'37″ = 0.84110686706 rad
∠ C' = γ' = 96.37993702084° = 96°22'46″ = 1.45994553125 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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