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primary 5 | Maths | Area & Volume
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Marc
Marc

primary 5 chevron_right Maths chevron_right Area & Volume chevron_right Singapore

Pls help

Date Posted: 4 years ago
Views: 246

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Anton Ego
Anton Ego's answer
22 answers (A Helpful Person)
1st
Here
J
J
4 years ago
You have to subtract two triangles instead of only 1.
J
J
4 years ago
The folded part is covering an area equal to itself. So the area of the shaded parts cannot include that covered area.
Anton Ego
Anton Ego
4 years ago
Yes, mistake
Marc
Marc
4 years ago
Y
J
J
4 years ago
Trying unfolding the paper back. You'll see that the unshaded part is of two triangles.
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Anton Ego
Anton Ego's answer
22 answers (A Helpful Person)
Updated one