# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 7.28   b = 15.3   c = 8.06

Area: T = 4.22990295057
Perimeter: p = 30.64
Semiperimeter: s = 15.32

Angle ∠ A = α = 3.93328552556° = 3°55'58″ = 0.06986412732 rad
Angle ∠ B = β = 171.7122138363° = 171°42'44″ = 2.99769421801 rad
Angle ∠ C = γ = 4.35550063818° = 4°21'18″ = 0.07660092003 rad

Height: ha = 1.16218212928
Height: hb = 0.55328143145
Height: hc = 1.04993869741

Median: ma = 11.67437825918
Median: mb = 0.67771262807
Median: mc = 11.28328764063

Inradius: r = 0.27660463124
Circumradius: R = 53.07109846545

Vertex coordinates: A[8.06; 0] B[0; 0] C[-7.20439702233; 1.04993869741]
Centroid: CG[0.28553432589; 0.3549795658]
Coordinates of the circumscribed circle: U[4.03; 52.91877523351]
Coordinates of the inscribed circle: I[0.02; 0.27660463124]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.0677144744° = 176°4'2″ = 0.06986412732 rad
∠ B' = β' = 8.28878616375° = 8°17'16″ = 2.99769421801 rad
∠ C' = γ' = 175.6454993618° = 175°38'42″ = 0.07660092003 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 ### 6. Inradius ### 7. Circumradius ### 8. Calculation of medians #### Look also our friend's collection of math examples and problems:

See more informations about triangles or more information about solving triangles.