nini888 nini888
  • 23-09-2022
  • Mathematics
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Q12.
The diagram shows the first 10 sides of a spiral pattern.
It also gives the lengths, in cm, of the first 5 sides.
9
13.5
1.5
5.5
3
The lengths, in cm, of the sides of the spiral form a sequence.
Find an expression in terms of n for the length, in cm, of the nth side.

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