Priscilla Ng's answer to Lai Xuanyi's Primary 5 Maths Area & Volume Singapore question.

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Priscilla Ng
Priscilla Ng's answer
806 answers (Tutor Details)
1st
For Part (b)
- Bottom surface of each cuboid is not painted except for the 1st layer.

- The white unpainted area of each cuboid is equal to the area of the bottom surface of the cuboid above.