# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 15   b = 17   c = 24

Area: T = 126.5544336156
Perimeter: p = 56
Semiperimeter: s = 28

Angle ∠ A = α = 38.34327492605° = 38°20'34″ = 0.66992072189 rad
Angle ∠ B = β = 44.67546095644° = 44°40'29″ = 0.78797190289 rad
Angle ∠ C = γ = 96.98326411751° = 96°58'58″ = 1.69326664058 rad

Height: ha = 16.87439114875
Height: hb = 14.88987454302
Height: hc = 10.54661946797

Median: ma = 19.39771647413
Median: mb = 18.1187670932
Median: mc = 10.63301458127

Inradius: r = 4.52197977199
Circumradius: R = 12.09896687262

Vertex coordinates: A[24; 0] B[0; 0] C[10.66766666667; 10.54661946797]
Centroid: CG[11.55655555556; 3.51553982266]
Coordinates of the circumscribed circle: U[12; -1.47697244334]
Coordinates of the inscribed circle: I[11; 4.52197977199]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.657725074° = 141°39'26″ = 0.66992072189 rad
∠ B' = β' = 135.3255390436° = 135°19'31″ = 0.78797190289 rad
∠ C' = γ' = 83.01773588249° = 83°1'2″ = 1.69326664058 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.