well, rectangle has 4 sides 2 lengths and 2 breadths the width is the breadth so it's 3x2= 6m the leanght it's 2m greater than width so it's (3+2)x2= 10m so the perimeter is the total length of all sides therefore it's 10+6= 16m
it's pretty easy one could just (3x2)+((3+2)2)= 16m
