Isosceles triangle calculator (b,h)

Please enter two properties of the isosceles triangle

Use symbols: a, b, h, T, p, A, B, C, r, R


You have entered side b and height hc.

Obtuse isosceles triangle.

Sides: a = 246.2211445045   b = 246.2211445045   c = 450

Area: T = 22500
Perimeter: p = 942.443289009
Semiperimeter: s = 471.2211445045

Angle ∠ A = α = 23.96224889746° = 23°57'45″ = 0.41882243296 rad
Angle ∠ B = β = 23.96224889746° = 23°57'45″ = 0.41882243296 rad
Angle ∠ C = γ = 132.0755022051° = 132°4'30″ = 2.30551439944 rad

Height: ha = 182.7622309724
Height: hb = 182.7622309724
Height: hc = 100

Median: ma = 341.1843601599
Median: mb = 341.1843601599
Median: mc = 100

Inradius: r = 47.7488251351
Circumradius: R = 303.125

Vertex coordinates: A[450; 0] B[0; 0] C[225; 100]
Centroid: CG[225; 33.33333333333]
Coordinates of the circumscribed circle: U[225; -203.125]
Coordinates of the inscribed circle: I[225; 47.7488251351]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.0387511025° = 156°2'15″ = 0.41882243296 rad
∠ B' = β' = 156.0387511025° = 156°2'15″ = 0.41882243296 rad
∠ C' = γ' = 47.92549779492° = 47°55'30″ = 2.30551439944 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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