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primary 5 | Maths
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Aisah
Aisah

primary 5 chevron_right Maths chevron_right Singapore

Only qn B please help

Date Posted: 3 years ago
Views: 187

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Mohammad Uzair
Mohammad Uzair's answer
1 answers (A Helpful Person)
1st
just imagine two paper cut out into triangles and try to overlap over each other. you realise that the shaded area part has two layers, so thats why its times 2 in the working!
Aisah
Aisah
3 years ago
Thank you for your help. I try to understand but I cannot. I understand overlap 2 papers but I don’t understand how to get unshaded 70.