__maths__>__Construction / Practical Geometry (basics)__>__Construction of Triangles (Fundamental Shape of Polygons)__### Construction of Triangle(SSS)

In this page, a short and to-the-point overview of constructing triangles with side-side-side (3 sides) is provided.

*click on the content to continue..*

To construct a triangle, "side-side-side" is provided. Which of the following is required to construct the specified triangle?

- a scale and a compass to mark the given sides
- a scale and a compass to mark the given sides
- a protractor and compass to mark angles and sides
- a set-square to mark parallel lines

The answer is "A scale and a compass to mark the given sides"

To construct a triangle `/_\ ABC` with given "side-side-side" `7`cm, `4`cm, and `5`cm` • Construct a line and mark side `bar(AB)` with a compass measuring `7`cm

• measure `bar(AC)` `4`cm in a compass and draw an arc

• measure `bar(BC)` `5`cm in a compass and draw an arc

• the two arcs cut at point `C`. Connect the points for sides `bar(AC)` and `bar(BC)`

`/_\ ABC` is constructed.

**Construction of SSS triangle** : use compass to measure lengths and mark points at the given three distances.

*slide-show version coming soon*