Answer:
1/5
Step-by-step explanation:
1 pack of paper/ 5 groups
or all three groups
3/5
Answer:
7
Step-by-step explanation:
2.8 multiplied by 2.8 to find the surface area of the base which is 7.84
4*1/2*2.8*5.5 to find the surface area of all four triangular faces which is 30.8
Plus them together 7.84 plus 30.8 which is 38.64
The formula is 2(wl+hl+hw) to calculate surface area fo a rectangular prism.
