23 23 26 triangle

Acute isosceles triangle.

Sides: a = 23   b = 23   c = 26

Area: T = 246.6587657493
Perimeter: p = 72
Semiperimeter: s = 36

Angle ∠ A = α = 55.58326112896° = 55°34'57″ = 0.97700995739 rad
Angle ∠ B = β = 55.58326112896° = 55°34'57″ = 0.97700995739 rad
Angle ∠ C = γ = 68.83547774209° = 68°50'5″ = 1.20113935059 rad

Height: ha = 21.44884919559
Height: hb = 21.44884919559
Height: hc = 18.9743665961

Median: ma = 21.68552484422
Median: mb = 21.68552484422
Median: mc = 18.9743665961

Inradius: r = 6.8521601597
Circumradius: R = 13.94403740186

Vertex coordinates: A[26; 0] B[0; 0] C[13; 18.9743665961]
Centroid: CG[13; 6.32545553203]
Coordinates of the circumscribed circle: U[13; 5.03332919424]
Coordinates of the inscribed circle: I[13; 6.8521601597]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 124.417738871° = 124°25'3″ = 0.97700995739 rad
∠ B' = β' = 124.417738871° = 124°25'3″ = 0.97700995739 rad
∠ C' = γ' = 111.1655222579° = 111°9'55″ = 1.20113935059 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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