# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 2.3   b = 2.3   c = 3.25

Area: T = 2.64549963817
Perimeter: p = 7.85
Semiperimeter: s = 3.925

Angle ∠ A = α = 45.04773854725° = 45°2'51″ = 0.78662251959 rad
Angle ∠ B = β = 45.04773854725° = 45°2'51″ = 0.78662251959 rad
Angle ∠ C = γ = 89.90552290549° = 89°54'19″ = 1.56991422618 rad

Height: ha = 2.32999968537
Height: hb = 2.32999968537
Height: hc = 1.62876900811

Median: ma = 2.57697762549
Median: mb = 2.57697762549
Median: mc = 1.62876900811

Inradius: r = 0.67438844285
Circumradius: R = 1.62550022229

Vertex coordinates: A[3.25; 0] B[0; 0] C[1.625; 1.62876900811]
Centroid: CG[1.625; 0.54325633604]
Coordinates of the circumscribed circle: U[1.625; 0.00326878581]
Coordinates of the inscribed circle: I[1.625; 0.67438844285]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 134.9532614527° = 134°57'9″ = 0.78662251959 rad
∠ B' = β' = 134.9532614527° = 134°57'9″ = 0.78662251959 rad
∠ C' = γ' = 90.09547709451° = 90°5'41″ = 1.56991422618 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.