2. A prism has total surface area of 158 m2 and volume of 120 m3.
If the length, width, and height are reduced to one third their original sizes, what will be the following? Round to tenths if necessary
(a) the new surface area

(b) the new volume

Question

2.	A prism has total surface area of 158 m2 and volume of 120 m3.
If the length, width, and height are reduced to one third their original sizes, what will be the following?  Round to tenths if necessary
(a)	the new surface area 


(b)	the new volume

anonymous · Answer

(a)	the new surface area

bananas1234 · Answer

Thanks, but i have to show my work, can you help with that? @EpicGammer

welshfella · Answer

(b)  take a simple example 
suppose it was a simple cube with each side = 1 cm  and volume = 1*1*1 = 1 cm3
each side will be reduced to 1/3 cm so new volume = 1/3 8 1/3 * 1/3  = 1/27

welshfella · Answer

*  that 8 is supposed to be a *

welshfella · Answer

It will be the same ratio for your prism of volume 120  m3

welshfella · Answer

120  * 1/27