2 30 30 triangle

Acute isosceles triangle.

Sides: a = 2   b = 30   c = 30

Area: T = 29.98333287011
Perimeter: p = 62
Semiperimeter: s = 31

Angle ∠ A = α = 3.82204263434° = 3°49'14″ = 0.06766790185 rad
Angle ∠ B = β = 88.09897868283° = 88°5'23″ = 1.53774568175 rad
Angle ∠ C = γ = 88.09897868283° = 88°5'23″ = 1.53774568175 rad

Height: ha = 29.98333287011
Height: hb = 1.99988885801
Height: hc = 1.99988885801

Median: ma = 29.98333287011
Median: mb = 15.06765191733
Median: mc = 15.06765191733

Inradius: r = 0.96772041516
Circumradius: R = 15.00883402842

Vertex coordinates: A[30; 0] B[0; 0] C[0.06766666667; 1.99988885801]
Centroid: CG[10.02222222222; 0.66662961934]
Coordinates of the circumscribed circle: U[15; 0.55002780095]
Coordinates of the inscribed circle: I[1; 0.96772041516]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.1879573657° = 176°10'46″ = 0.06766790185 rad
∠ B' = β' = 91.91102131717° = 91°54'37″ = 1.53774568175 rad
∠ C' = γ' = 91.91102131717° = 91°54'37″ = 1.53774568175 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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