# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 8   b = 22   c = 29

Area: T = 48.76992269777
Perimeter: p = 59
Semiperimeter: s = 29.5

Angle ∠ A = α = 8.79439559871° = 8°47'38″ = 0.15334834863 rad
Angle ∠ B = β = 24.86113826687° = 24°51'41″ = 0.43439129842 rad
Angle ∠ C = γ = 146.3454661344° = 146°20'41″ = 2.55441961832 rad

Height: ha = 12.19223067444
Height: hb = 4.43435660889
Height: hc = 3.3633394964

Median: ma = 25.42663642702
Median: mb = 18.2077141456
Median: mc = 7.98443597113

Inradius: r = 1.65331941348
Circumradius: R = 26.1644039889

Vertex coordinates: A[29; 0] B[0; 0] C[7.25986206897; 3.3633394964]
Centroid: CG[12.08662068966; 1.12111316547]
Coordinates of the circumscribed circle: U[14.5; -21.77985900212]
Coordinates of the inscribed circle: I[7.5; 1.65331941348]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 171.2066044013° = 171°12'22″ = 0.15334834863 rad
∠ B' = β' = 155.1398617331° = 155°8'19″ = 0.43439129842 rad
∠ C' = γ' = 33.65553386559° = 33°39'19″ = 2.55441961832 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    