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primary 5 | Maths | Rate & Ratio
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Alicia
Alicia

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

Help pls

Date Posted: 3 years ago
Views: 215
amelia
Amelia
3 years ago
ans is 1:2
Muhd Yosef Azmi
Muhd Yosef Azmi
3 years ago
Hi Alicia, if you see the diagram, you will notice that if you combine the 2 smaller triangles, it will form a big triangle. So total there are 2 big grey triangles now.

And if you try to put the big triangle beside each other, you will notice that half of the big ABCD square is occupied by a big grey triangle and the other half is a big white triangle.

So, the ratio of shaded parts is 1:2 to the big ABCD square.

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AC Lim
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Hope this helps