# Isosceles triangle calculator (b)

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 angle γ.

### Obtuse scalene triangle.

Sides: a = 51.08105330788   b = 51.08105330788   c = 96

Area: T = 838.5877419749
Perimeter: p = 198.1611066158
Semiperimeter: s = 99.08105330788

Angle ∠ A = α = 20° = 0.34990658504 rad
Angle ∠ B = β = 20° = 0.34990658504 rad
Angle ∠ C = γ = 140° = 2.44334609528 rad

Height: ha = 32.83439337593
Height: hb = 32.83439337593
Height: hc = 17.47105712448

Median: ma = 72.52879616073
Median: mb = 72.52879616073
Median: mc = 17.47105712448

Vertex coordinates: A[96; 0] B[0; 0] C[48; 17.47105712448]
Centroid: CG[48; 5.82435237483]
Coordinates of the circumscribed circle: U[48; -57.20441724445]
Coordinates of the inscribed circle: I[48; 8.4643695074]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 160° = 0.34990658504 rad
∠ B' = β' = 160° = 0.34990658504 rad
∠ C' = γ' = 40° = 2.44334609528 rad

# 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.