# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 10.41   b = 6.46   c = 14.6

Area: T = 29.69994269429
Perimeter: p = 31.47
Semiperimeter: s = 15.735

Angle ∠ A = α = 39.03443025383° = 39°2'3″ = 0.68112771005 rad
Angle ∠ B = β = 23.00554029601° = 23°19″ = 0.40215200274 rad
Angle ∠ C = γ = 117.9660294502° = 117°57'37″ = 2.05987955257 rad

Height: ha = 5.70659417758
Height: hb = 9.19548690226
Height: hc = 4.06884146497

Median: ma = 10.0187673133
Median: mb = 12.26109604028
Median: mc = 4.66547454379

Inradius: r = 1.88774754968
Circumradius: R = 8.26547180524

Vertex coordinates: A[14.6; 0] B[0; 0] C[9.58220719178; 4.06884146497]
Centroid: CG[8.06106906393; 1.35661382166]
Coordinates of the circumscribed circle: U[7.3; -3.87549921916]
Coordinates of the inscribed circle: I[9.275; 1.88774754968]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 140.9665697462° = 140°57'57″ = 0.68112771005 rad
∠ B' = β' = 156.995459704° = 156°59'41″ = 0.40215200274 rad
∠ C' = γ' = 62.04397054984° = 62°2'23″ = 2.05987955257 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    