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By: superqian (offline)  Wednesday, March 28 2012 @ 07:20 AM CDT (Read 1114 times)  

No of Layers 1 2 3 4

no of hexagones 1 3 6 10

No of dotsalong its perimeter 6 12 18 24

No of dots in the figure 0 1 4 9

Total no of dots 6 13 22 33

a) How many hexagones are there altogether if there are 19 layers?

b) How many dots are there altother if there are 100 layers altother?

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By: echeewh (offline)  Wednesday, March 28 2012 @ 10:46 PM CDT  

hi there,

appreciate that you can kindly confirm the answers.

(a) 190
(b) 10401

i will provide the worked solution if the above answers can be confirmed as this is a Pattern / Figure question. Is this question found in any of the past year papers??

Let me know pls.

Thank you.

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