# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 6   b = 24   c = 24

Area: T = 71.43552853987
Perimeter: p = 54
Semiperimeter: s = 27

Angle ∠ A = α = 14.36215115629° = 14°21'41″ = 0.25106556623 rad
Angle ∠ B = β = 82.81992442185° = 82°49'9″ = 1.44554684956 rad
Angle ∠ C = γ = 82.81992442185° = 82°49'9″ = 1.44554684956 rad

Height: ha = 23.81217617996
Height: hb = 5.95329404499
Height: hc = 5.95329404499

Median: ma = 23.81217617996
Median: mb = 12.72879220614
Median: mc = 12.72879220614

Inradius: r = 2.64657513111
Circumradius: R = 12.09548631363

Vertex coordinates: A[24; 0] B[0; 0] C[0.75; 5.95329404499]
Centroid: CG[8.25; 1.98443134833]
Coordinates of the circumscribed circle: U[12; 1.5121857892]
Coordinates of the inscribed circle: I[3; 2.64657513111]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 165.6388488437° = 165°38'19″ = 0.25106556623 rad
∠ B' = β' = 97.18107557815° = 97°10'51″ = 1.44554684956 rad
∠ C' = γ' = 97.18107557815° = 97°10'51″ = 1.44554684956 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.