# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 10.3   b = 10.3   c = 14.56

Area: T = 53.0454979531
Perimeter: p = 35.16
Semiperimeter: s = 17.58

Angle ∠ A = α = 45.02551671568° = 45°1'31″ = 0.78658374131 rad
Angle ∠ B = β = 45.02551671568° = 45°1'31″ = 0.78658374131 rad
Angle ∠ C = γ = 89.95496656863° = 89°56'59″ = 1.57699178273 rad

Height: ha = 10.32999960254
Height: hb = 10.32999960254
Height: hc = 7.28663982872

Median: ma = 11.51217027411
Median: mb = 11.51217027411
Median: mc = 7.28663982872

Inradius: r = 3.01773480962
Circumradius: R = 7.28800028092

Vertex coordinates: A[14.56; 0] B[0; 0] C[7.28; 7.28663982872]
Centroid: CG[7.28; 2.42987994291]
Coordinates of the circumscribed circle: U[7.28; 0.0066395478]
Coordinates of the inscribed circle: I[7.28; 3.01773480962]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 134.9754832843° = 134°58'29″ = 0.78658374131 rad
∠ B' = β' = 134.9754832843° = 134°58'29″ = 0.78658374131 rad
∠ C' = γ' = 90.05503343137° = 90°3'1″ = 1.57699178273 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.