Question

This is 15 points plz help ( no links ) EXPLAIN YOUR ANSWER plz
( ONLY ANSWER THIS IF YOU HAVE AN EXPLANATION AND IF YOU KNOW WHAT THE ANSWER IS)

( the answer is not 1,920 because i got it wrong when i typed the answer in )

Answer 1

Answer: 1440
Explanation: when you split it into two shapes (I split it where the split is splitting the eight up) you find the volume of them both. Top shape= 4x4x10=80 bottom shape= 8x8x10=640.
640+80= 720
You will then need to multiply by two (or add 720+720) to get the answer 1440