# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 4.24   b = 3.74   c = 3.74

Area: T = 6.53219398405
Perimeter: p = 11.72
Semiperimeter: s = 5.86

Angle ∠ A = α = 69.06110083197° = 69°3'40″ = 1.20553419799 rad
Angle ∠ B = β = 55.46994958401° = 55°28'10″ = 0.96881253368 rad
Angle ∠ C = γ = 55.46994958401° = 55°28'10″ = 0.96881253368 rad

Height: ha = 3.08111036984
Height: hb = 3.49330159575
Height: hc = 3.49330159575

Median: ma = 3.08111036984
Median: mb = 3.53435110018
Median: mc = 3.53435110018

Inradius: r = 1.11546655018
Circumradius: R = 2.27699008812

Vertex coordinates: A[3.74; 0] B[0; 0] C[2.40334224599; 3.49330159575]
Centroid: CG[2.04878074866; 1.16443386525]
Coordinates of the circumscribed circle: U[1.87; 1.28766817829]
Coordinates of the inscribed circle: I[2.12; 1.11546655018]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 110.939899168° = 110°56'20″ = 1.20553419799 rad
∠ B' = β' = 124.531050416° = 124°31'50″ = 0.96881253368 rad
∠ C' = γ' = 124.531050416° = 124°31'50″ = 0.96881253368 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.