# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 5.39   b = 7.07   c = 6.4

Area: T = 16.50553160454
Perimeter: p = 18.86
Semiperimeter: s = 9.43

Angle ∠ A = α = 46.84985964847° = 46°50'55″ = 0.81876622586 rad
Angle ∠ B = β = 73.12551045339° = 73°7'30″ = 1.276627384 rad
Angle ∠ C = γ = 60.02662989814° = 60°1'35″ = 1.0487656555 rad

Height: ha = 6.12444215382
Height: hb = 4.66991134499
Height: hc = 5.15879112642

Median: ma = 6.18113772737
Median: mb = 4.74444520232
Median: mc = 5.41109610976

Inradius: r = 1.75502986262
Circumradius: R = 3.69440631632

Vertex coordinates: A[6.4; 0] B[0; 0] C[1.5654625; 5.15879112642]
Centroid: CG[2.6554875; 1.71993037547]
Coordinates of the circumscribed circle: U[3.2; 1.84655629638]
Coordinates of the inscribed circle: I[2.36; 1.75502986262]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 133.1511403515° = 133°9'5″ = 0.81876622586 rad
∠ B' = β' = 106.8754895466° = 106°52'30″ = 1.276627384 rad
∠ C' = γ' = 119.9743701019° = 119°58'25″ = 1.0487656555 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.