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primary 6 | Maths
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Keerthi
Keerthi

primary 6 chevron_right Maths chevron_right Singapore

Pls help!

Date Posted: 3 years ago
Views: 209

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Aurora
Aurora's answer
23 answers (Tutor Details)
1st
You need to spot the pattern from the table. Can you see how the figure number and the number of sticks relate from the arrows i drew on top?

Also, for (c), the method shown is approximation, because no. Of sticks = (figure no. X 2 + 2) x (figure no.)

Therefore, half of the no. Of sticks is approximately equal to figure no. X figure no. Therefore the method is just 29040 / 2 and then square root it to find figure no.