# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 22   b = 22   c = 27

Area: T = 234.5087862341
Perimeter: p = 71
Semiperimeter: s = 35.5

Angle ∠ A = α = 52.14770972677° = 52°8'50″ = 0.91101385427 rad
Angle ∠ B = β = 52.14770972677° = 52°8'50″ = 0.91101385427 rad
Angle ∠ C = γ = 75.70658054647° = 75°42'21″ = 1.32113155682 rad

Height: ha = 21.31988965765
Height: hb = 21.31988965765
Height: hc = 17.3710952766

Median: ma = 22.03440645365
Median: mb = 22.03440645365
Median: mc = 17.3710952766

Inradius: r = 6.60658552772
Circumradius: R = 13.93113026326

Vertex coordinates: A[27; 0] B[0; 0] C[13.5; 17.3710952766]
Centroid: CG[13.5; 5.79903175887]
Coordinates of the circumscribed circle: U[13.5; 3.44396501335]
Coordinates of the inscribed circle: I[13.5; 6.60658552772]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 127.8532902732° = 127°51'10″ = 0.91101385427 rad
∠ B' = β' = 127.8532902732° = 127°51'10″ = 0.91101385427 rad
∠ C' = γ' = 104.2944194535° = 104°17'39″ = 1.32113155682 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.