Hor Kuok Theng's answer to Guru's Secondary 1 Maths Singapore question.

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Hor Kuok Theng
Hor Kuok Theng's answer
20 answers (A Helpful Person)
1st
For both surface area and volume related questions, it is advisable to split complicated 3d objects into smaller, more manageable parts.

However, while doing so, be careful not to double count areas and exclude portions where the solid is connected.
Guru
Guru
4 years ago
OMG, thanks sir i finally understood it