Triangles can be used for

different purposes

Tanguy.S and mohamed.Omaths in English option Jean Rostand secondary school

Project eTwinning

The triangle in musicThe triangle is a music instrument made

of a piece of metal folded in the shape of a triangle .

This triangle is used by a single person

The triangle in scienceIn this triangle-shaped stretch of Atlantic

Ocean between Miami, Bermuda and Puerto Rico, many boats, planes or people have disappeared with no explanation. This part of the world remains a real mystery!

The triangle in mathsA triangle is a 3 sided polygon. It has

different names depending on its sides or angles (right angled, isosceles, scalene, equilateral, acute, obtuse).

The sum of the measures of 3 angles always equals 180°