# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 46.55   b = 46.55   c = 34.91

Area: T = 753.2454527097
Perimeter: p = 128.01
Semiperimeter: s = 64.005

Angle ∠ A = α = 67.97773468227° = 67°58'38″ = 1.18664285188 rad
Angle ∠ B = β = 67.97773468227° = 67°58'38″ = 1.18664285188 rad
Angle ∠ C = γ = 44.04553063546° = 44°2'43″ = 0.76987356159 rad

Height: ha = 32.36328153425
Height: hb = 32.36328153425
Height: hc = 43.15435105756

Median: ma = 33.92875651204
Median: mb = 33.92875651204
Median: mc = 43.15435105756

Inradius: r = 11.76985263198
Circumradius: R = 25.10769086975

Vertex coordinates: A[34.91; 0] B[0; 0] C[17.455; 43.15435105756]
Centroid: CG[17.455; 14.38545035252]
Coordinates of the circumscribed circle: U[17.455; 18.04766018781]
Coordinates of the inscribed circle: I[17.455; 11.76985263198]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.0232653177° = 112°1'22″ = 1.18664285188 rad
∠ B' = β' = 112.0232653177° = 112°1'22″ = 1.18664285188 rad
∠ C' = γ' = 135.9554693645° = 135°57'17″ = 0.76987356159 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.