Question

Help With Two Math Questions? Giving Medals,

Answer 1

What happens to the surface area of a rectangular prism when each of the dimensions is doubled? (1 point)
1. It doubles.
2. It quadruples.
3. It is six times greater.
4. It is halved. im thinking 1, or 3 but mostly 3, judging by what my friends guess, was i dont think it was right,

Answer 2

remember the surface area formula for a rectangular prism ?

Answer 3

if dimensions x,y are doubled to 2x,2y

new area = 2x*2y = 4xy

4 times bigger

Answer 4

ah i see