Question

How many equal line segments are needed to make a row of 6 triangles

Answer 1

Seis...................................................................................

Answer 2

To make a triangle you need three line segments.So,First triangle consist of three and then 2 segments are added,then 2,....so,on, till you obtain six triangles.

Total number of Line segments

=3+2+2+2+2+2

=13

Figure is attached below.

To draw 6 triangles in a row , Total number of line segments needed=13