Triangle calculator SSS - result

Please enter the triangle sides:

Acute scalene triangle.

Sides: a = 33   b = 32   c = 26.48

Area: T = 392.694403272
Perimeter: p = 91.48
Semiperimeter: s = 45.74

Angle ∠ A = α = 67.95112357012° = 67°57'4″ = 1.18659727938 rad
Angle ∠ B = β = 63.99878875359° = 63°59'52″ = 1.11769738518 rad
Angle ∠ C = γ = 48.05108767629° = 48°3'3″ = 0.8398646008 rad

Height: ha = 23.87996383467
Height: hb = 24.5433377045
Height: hc = 29.6659670145

Median: ma = 24.29770203935
Median: mb = 25.28803322763
Median: mc = 29.68550534781

Inradius: r = 8.58553527049
Circumradius: R = 17.80219511821

Vertex coordinates: A[26.48; 0] B[0; 0] C[14.46773413897; 29.6659670145]
Centroid: CG[13.64991137966; 9.8876556715]
Coordinates of the circumscribed circle: U[13.24; 11.99000783985]
Coordinates of the inscribed circle: I[13.74; 8.58553527049]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.0498764299° = 112°2'56″ = 1.18659727938 rad
∠ B' = β' = 116.0022112464° = 116°8″ = 1.11769738518 rad
∠ C' = γ' = 131.9499123237° = 131°56'57″ = 0.8398646008 rad

How did we calculate this triangle?

1. The triangle circumference is the sum of the lengths of its three sides 2. Semiperimeter of the triangle 3. The triangle area using Heron's formula 4. Calculate the heights of the triangle from its area. 5. Calculation of the inner angles of the triangle using a Law of Cosines     