# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 4.24   b = 4.12   c = 4.12

Area: T = 7.48993332146
Perimeter: p = 12.48
Semiperimeter: s = 6.24

Angle ∠ A = α = 61.9376513815° = 61°56'11″ = 1.08109960933 rad
Angle ∠ B = β = 59.03217430925° = 59°1'54″ = 1.03302982802 rad
Angle ∠ C = γ = 59.03217430925° = 59°1'54″ = 1.03302982802 rad

Height: ha = 3.53327043465
Height: hb = 3.63655986479
Height: hc = 3.63655986479

Median: ma = 3.53327043465
Median: mb = 3.63876365954
Median: mc = 3.63876365954

Inradius: r = 1.22002136562
Circumradius: R = 2.4022465411

Vertex coordinates: A[4.12; 0] B[0; 0] C[2.18217475728; 3.63655986479]
Centroid: CG[2.10105825243; 1.2121866216]
Coordinates of the circumscribed circle: U[2.06; 1.23662200659]
Coordinates of the inscribed circle: I[2.12; 1.22002136562]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 118.0633486185° = 118°3'49″ = 1.08109960933 rad
∠ B' = β' = 120.9688256908° = 120°58'6″ = 1.03302982802 rad
∠ C' = γ' = 120.9688256908° = 120°58'6″ = 1.03302982802 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.