the diagram below shows the dimensions of tessa’s garden.

a) what is the perimeter, in feet, of tessa’s garden? show or explain all your work.

b) what is the area, in square feet, of tessa’s garden? show or explain all your work.

c) tessa decided that she liked the shape of her garden but wanted to have 2 times the area. she drew a design for a garden with every dimension multiplied by 2. explain the error in tessa’s design.