Question

Struggling so hard on this

Answer 1

The perimeter is the total length of the outside border of the figure. You are only asked to fill in the table.

1 triangle: perimeter = 6 + 6 + 5 = 17
2 triangles: perimeter = 6 + 5 + 6 + 5 = 22
3 triangles: perimeter = 6 + 5 + 6 + 5 + 5 = 27