# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 10   b = 23   c = 26

Area: T = 114.3988153394
Perimeter: p = 59
Semiperimeter: s = 29.5

Angle ∠ A = α = 22.49549821711° = 22°29'42″ = 0.39326115041 rad
Angle ∠ B = β = 61.64106499718° = 61°38'26″ = 1.07658322951 rad
Angle ∠ C = γ = 95.8644367857° = 95°51'52″ = 1.67331488544 rad

Height: ha = 22.88796306788
Height: hb = 9.94876655125
Height: hc = 8.87998579534

Median: ma = 24.03112296814
Median: mb = 15.99221855917
Median: mc = 12.06223380818

Inradius: r = 3.87879035049
Circumradius: R = 13.06883927637

Vertex coordinates: A[26; 0] B[0; 0] C[4.75; 8.87998579534]
Centroid: CG[10.25; 2.93332859845]
Coordinates of the circumscribed circle: U[13; -1.33552488259]
Coordinates of the inscribed circle: I[6.5; 3.87879035049]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 157.5055017829° = 157°30'18″ = 0.39326115041 rad
∠ B' = β' = 118.3599350028° = 118°21'34″ = 1.07658322951 rad
∠ C' = γ' = 84.1365632143° = 84°8'8″ = 1.67331488544 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.