# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 2   b = 22   c = 22

Area: T = 21.97772609758
Perimeter: p = 46
Semiperimeter: s = 23

Angle ∠ A = α = 5.21105025301° = 5°12'38″ = 0.09109404248 rad
Angle ∠ B = β = 87.39547487349° = 87°23'41″ = 1.52553261144 rad
Angle ∠ C = γ = 87.39547487349° = 87°23'41″ = 1.52553261144 rad

Height: ha = 21.97772609758
Height: hb = 1.9987932816
Height: hc = 1.9987932816

Median: ma = 21.97772609758
Median: mb = 11.09105365064
Median: mc = 11.09105365064

Inradius: r = 0.95655330859
Circumradius: R = 11.01113812757

Vertex coordinates: A[22; 0] B[0; 0] C[0.09109090909; 1.9987932816]
Centroid: CG[7.36436363636; 0.66659776053]
Coordinates of the circumscribed circle: U[11; 0.50105173307]
Coordinates of the inscribed circle: I[1; 0.95655330859]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 174.789949747° = 174°47'22″ = 0.09109404248 rad
∠ B' = β' = 92.60552512651° = 92°36'19″ = 1.52553261144 rad
∠ C' = γ' = 92.60552512651° = 92°36'19″ = 1.52553261144 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.