Poh Wei Jie's answer to Ong Yilin's Secondary 1 Maths question.

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Poh Wei Jie
Poh Wei Jie's answer
38 answers (Tutor Details)
1st
For volume just count the total number of cubes. For surface area, you need to look at 6 sides (front, back, left, right, top and bottom). Feel free to clarify :)