10 16 16 triangle

Acute isosceles triangle.

Sides: a = 10   b = 16   c = 16

Area: T = 75.99334207679
Perimeter: p = 42
Semiperimeter: s = 21

Angle ∠ A = α = 36.42199137286° = 36°25'12″ = 0.63656474079 rad
Angle ∠ B = β = 71.79900431357° = 71°47'24″ = 1.25329726229 rad
Angle ∠ C = γ = 71.79900431357° = 71°47'24″ = 1.25329726229 rad

Height: ha = 15.19986841536
Height: hb = 9.4999177596
Height: hc = 9.4999177596

Median: ma = 15.19986841536
Median: mb = 10.6777078252
Median: mc = 10.6777078252

Inradius: r = 3.61987343223
Circumradius: R = 8.42217816955

Vertex coordinates: A[16; 0] B[0; 0] C[3.125; 9.4999177596]
Centroid: CG[6.375; 3.1666392532]
Coordinates of the circumscribed circle: U[8; 2.63218067798]
Coordinates of the inscribed circle: I[5; 3.61987343223]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 143.5880086271° = 143°34'48″ = 0.63656474079 rad
∠ B' = β' = 108.2109956864° = 108°12'36″ = 1.25329726229 rad
∠ C' = γ' = 108.2109956864° = 108°12'36″ = 1.25329726229 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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