14 18 29 triangle
Obtuse scalene triangle.
Sides: a = 14 b = 18 c = 29Area: T = 97.13987538524
Perimeter: p = 61
Semiperimeter: s = 30.5
Angle ∠ A = α = 21.8550073012° = 21°51' = 0.38113557159 rad
Angle ∠ B = β = 28.58985262968° = 28°35'19″ = 0.49989639122 rad
Angle ∠ C = γ = 129.5611400691° = 129°33'41″ = 2.26112730256 rad
Height: ha = 13.87769648361
Height: hb = 10.79331948725
Height: hc = 6.69992244036
Median: ma = 23.09876189249
Median: mb = 20.91765006634
Median: mc = 7.05333679898
Inradius: r = 3.18548771755
Circumradius: R = 18.80881473927
Vertex coordinates: A[29; 0] B[0; 0] C[12.29331034483; 6.69992244036]
Centroid: CG[13.76443678161; 2.23330748012]
Coordinates of the circumscribed circle: U[14.5; -11.9798998637]
Coordinates of the inscribed circle: I[12.5; 3.18548771755]
Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 158.1549926988° = 158°9' = 0.38113557159 rad
∠ B' = β' = 151.4111473703° = 151°24'41″ = 0.49989639122 rad
∠ C' = γ' = 50.43985993088° = 50°26'19″ = 2.26112730256 rad
Calculate another triangle
How did we calculate this triangle?
Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS.
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

6. Inradius

7. Circumradius
