# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 14   b = 14   c = 19

Area: T = 97.69330780557
Perimeter: p = 47
Semiperimeter: s = 23.5

Angle ∠ A = α = 47.26878899574° = 47°16'4″ = 0.82549803102 rad
Angle ∠ B = β = 47.26878899574° = 47°16'4″ = 0.82549803102 rad
Angle ∠ C = γ = 85.46442200852° = 85°27'51″ = 1.49216320331 rad

Height: ha = 13.9566154008
Height: hb = 13.9566154008
Height: hc = 10.28334819006

Median: ma = 15.14992574075
Median: mb = 15.14992574075
Median: mc = 10.28334819006

Inradius: r = 4.15771522577
Circumradius: R = 9.53298461112

Vertex coordinates: A[19; 0] B[0; 0] C[9.5; 10.28334819006]
Centroid: CG[9.5; 3.42878273002]
Coordinates of the circumscribed circle: U[9.5; 0.75436357894]
Coordinates of the inscribed circle: I[9.5; 4.15771522577]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 132.7322110043° = 132°43'56″ = 0.82549803102 rad
∠ B' = β' = 132.7322110043° = 132°43'56″ = 0.82549803102 rad
∠ C' = γ' = 94.53657799148° = 94°32'9″ = 1.49216320331 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.