# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 53   b = 93   c = 107.84

Area: T = 2464.12771724
Perimeter: p = 253.84
Semiperimeter: s = 126.92

Angle ∠ A = α = 29.43222788748° = 29°25'56″ = 0.51436901727 rad
Angle ∠ B = β = 59.5711093955° = 59°34'16″ = 1.04397117285 rad
Angle ∠ C = γ = 90.99766271702° = 90°59'48″ = 1.58881907523 rad

Height: ha = 92.98659310339
Height: hb = 52.99219822021
Height: hc = 45.76996879154

Median: ma = 97.14441341513
Median: mb = 71.11224658552
Median: mc = 53.11990511963

Inradius: r = 19.41548059596
Circumradius: R = 53.92881582089

Vertex coordinates: A[107.84; 0] B[0; 0] C[26.84328486647; 45.76996879154]
Centroid: CG[44.89442828882; 15.23332293051]
Coordinates of the circumscribed circle: U[53.92; -0.93880020292]
Coordinates of the inscribed circle: I[33.92; 19.41548059596]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 150.5687721125° = 150°34'4″ = 0.51436901727 rad
∠ B' = β' = 120.4298906045° = 120°25'44″ = 1.04397117285 rad
∠ C' = γ' = 89.00333728298° = 89°12″ = 1.58881907523 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    