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Quick problem help!PLEASEE?
From a rectangular sheet of paper Evan makes a small open rectangular prism by cutting four congruent squares from each corner and taping the sides together. The final prism will have a 5 cm * 4 cm base.Its volume is 60 cm.
What is the area of the original piece of paper?
PLEASE HELP ME.. THANK YOUU :)
2 Answers
- hayharbrLv 71 decade agoFavorite Answer
Volume = area of base x height so 60 = 20h; h = 3 cm which means 3 cm was cut off each end of the 5 and 4, so it was originally (5+3+3) by (4+3+3) = 11 cm by 10 cm; use that to get its area
- Anonymous1 decade ago
60/20 = 3
8 by 7 cm
