# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 11.4   b = 9.49   c = 6.32

Area: T = 29.98883981178
Perimeter: p = 27.21
Semiperimeter: s = 13.605

Angle ∠ A = α = 89.9879699895° = 89°58'47″ = 1.57704420231 rad
Angle ∠ B = β = 56.35218705207° = 56°21'7″ = 0.98435256802 rad
Angle ∠ C = γ = 33.66884295843° = 33°40'6″ = 0.58876249502 rad

Height: ha = 5.26111224768
Height: hb = 6.32199996033
Height: hc = 9.49899994044

Median: ma = 5.70218637304
Median: mb = 7.90216564719
Median: mc = 10.00112224253

Inradius: r = 2.20442188988
Circumradius: R = 5.77000003578

Vertex coordinates: A[6.32; 0] B[0; 0] C[6.31766376582; 9.49899994044]
Centroid: CG[4.21222125527; 3.16333331348]
Coordinates of the circumscribed circle: U[3.16; 4.74438806982]
Coordinates of the inscribed circle: I[4.115; 2.20442188988]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90.0220300105° = 90°1'13″ = 1.57704420231 rad
∠ B' = β' = 123.6488129479° = 123°38'53″ = 0.98435256802 rad
∠ C' = γ' = 146.3321570416° = 146°19'54″ = 0.58876249502 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.