what is the perimeter? 13cm, 9cm, 3cm, 6cm
The perimeter is the sum of all the sides of a polygon. To find the perimeter of this polygon, you need to add up the lengths of all four sides.
Perimeter = 13cm + 9cm + 3cm + 6cm = 31cm
Perimeter = 13cm + 9cm + 3cm + 6cm = 31cm