15 16 16 triangle

Acute isosceles triangle.

Sides: a = 15   b = 16   c = 16

Area: T = 1065.999705188
Perimeter: p = 47
Semiperimeter: s = 23.5

Angle ∠ A = α = 55.90663737668° = 55°54'23″ = 0.97657502951 rad
Angle ∠ B = β = 62.04768131166° = 62°2'49″ = 1.08329211793 rad
Angle ∠ C = γ = 62.04768131166° = 62°2'49″ = 1.08329211793 rad

Height: ha = 14.13332940251
Height: hb = 13.25499631485
Height: hc = 13.25499631485

Median: ma = 14.13332940251
Median: mb = 13.28553302556
Median: mc = 13.28553302556

Inradius: r = 4.51106257527
Circumradius: R = 9.05766289623

Vertex coordinates: A[16; 0] B[0; 0] C[7.031125; 13.25499631485]
Centroid: CG[7.67770833333; 4.41766543828]
Coordinates of the circumscribed circle: U[8; 4.24552948261]
Coordinates of the inscribed circle: I[7.5; 4.51106257527]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 124.0943626233° = 124°5'37″ = 0.97657502951 rad
∠ B' = β' = 117.9533186883° = 117°57'11″ = 1.08329211793 rad
∠ C' = γ' = 117.9533186883° = 117°57'11″ = 1.08329211793 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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