Mohammad Uzair's answer to Aisah's Primary 5 Maths Singapore question.
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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!
Date Posted:
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.
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