10 10 16 triangle

Obtuse isosceles triangle.

Sides: a = 10   b = 10   c = 16

Area: T = 48
Perimeter: p = 36
Semiperimeter: s = 18

Angle ∠ A = α = 36.87698976458° = 36°52'12″ = 0.64435011088 rad
Angle ∠ B = β = 36.87698976458° = 36°52'12″ = 0.64435011088 rad
Angle ∠ C = γ = 106.2660204708° = 106°15'37″ = 1.8554590436 rad

Height: ha = 9.6
Height: hb = 9.6
Height: hc = 6

Median: ma = 12.36993168769
Median: mb = 12.36993168769
Median: mc = 6

Inradius: r = 2.66766666667
Circumradius: R = 8.33333333333

Vertex coordinates: A[16; 0] B[0; 0] C[8; 6]
Centroid: CG[8; 2]
Coordinates of the circumscribed circle: U[8; -2.33333333333]
Coordinates of the inscribed circle: I[8; 2.66766666667]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 143.1330102354° = 143°7'48″ = 0.64435011088 rad
∠ B' = β' = 143.1330102354° = 143°7'48″ = 0.64435011088 rad
∠ C' = γ' = 73.74397952917° = 73°44'23″ = 1.8554590436 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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