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primary 6 | Maths | Measurement
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RENUGA
RENUGA

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

Hi.kindly help this question with clear explanations.tks

Date Posted: 2 years ago
Views: 193

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Tai Kwan On
Tai Kwan On's answer
1 answers (Tutor Details)
Hope this is understandable!

I tried to 'open up' the cuboid to show the three areas on a flat surface to try to help the visualisation.

The main bulk of work is seeing that the area comparison of the three surfaces actually shares a common geometry, such as A and B both having same L (length), A and C both having same B. Then using ratio, and the value of H given, we can work towards the answer.