Question

You plan to make this tent using waterproof fabric. Which calculation will help you best decide how much fabric you will need? (Omit the floor of the tent in your calculation.)
Add the areas of 9 rectangles and 2 triangles.



Add the areas of 6 rectangles and 2 triangles.



Add the volumes of 1 rectangular prism and 1 triangular prism.



Add the perimeters of 4 rectangles and 2 triangles.

Answer 1

I think I am more towards c but I am stuck between c and d