# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 47   b = 16.07   c = 44.17

Area: T = 354.9065945187
Perimeter: p = 107.24
Semiperimeter: s = 53.62

Angle ∠ A = α = 89.9910563871° = 89°59'26″ = 1.57106316353 rad
Angle ∠ B = β = 19.99435824686° = 19°59'37″ = 0.34989538433 rad
Angle ∠ C = γ = 70.01658536604° = 70°57″ = 1.2222007175 rad

Height: ha = 15.10223806463
Height: hb = 44.1769999401
Height: hc = 16.07699997821

Median: ma = 23.50224871024
Median: mb = 44.89435766564
Median: mc = 27.31107163033

Inradius: r = 6.61989098319
Circumradius: R = 23.55000003187

Vertex coordinates: A[44.17; 0] B[0; 0] C[44.16773534073; 16.07699997821]
Centroid: CG[29.44657844691; 5.3576666594]
Coordinates of the circumscribed circle: U[22.085; 8.03113628967]
Coordinates of the inscribed circle: I[37.55; 6.61989098319]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90.0099436129° = 90°34″ = 1.57106316353 rad
∠ B' = β' = 160.0066417531° = 160°23″ = 0.34989538433 rad
∠ C' = γ' = 109.984414634° = 109°59'3″ = 1.2222007175 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    