# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 29.63   b = 57   c = 48.7

Area: T = 721.4990482978
Perimeter: p = 135.33
Semiperimeter: s = 67.665

Angle ∠ A = α = 31.32204833373° = 31°19'14″ = 0.54766455576 rad
Angle ∠ B = β = 89.98875539857° = 89°59'15″ = 1.57105791029 rad
Angle ∠ C = γ = 58.6921962677° = 58°41'31″ = 1.02443679932 rad

Height: ha = 48.7699998851
Height: hb = 25.31554555431
Height: hc = 29.63299993009

Median: ma = 50.99004987697
Median: mb = 28.50554985924
Median: mc = 38.34876981056

Inradius: r = 10.66326835584
Circumradius: R = 28.55000006724

Vertex coordinates: A[48.7; 0] B[0; 0] C[0.0066436345; 29.63299993009]
Centroid: CG[16.23554787817; 9.87766664336]
Coordinates of the circumscribed circle: U[24.35; 14.81097109468]
Coordinates of the inscribed circle: I[10.665; 10.66326835584]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 148.6879516663° = 148°40'46″ = 0.54766455576 rad
∠ B' = β' = 90.01224460143° = 90°45″ = 1.57105791029 rad
∠ C' = γ' = 121.3088037323° = 121°18'29″ = 1.02443679932 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   