Let S(1),S(2),"…." be squares such that ...

Let `S_(1),S_(2),"…."` be squares such that for each `n ge 1`, the length of a side of `S_(n)` equals the lengh of a diagonal of `S_(n+1)`. If the length of a side of `S_(1)` is 10 cm and the area of `S_(n)` less than 1 sq cm. Then, find the value of n.

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B, C, D

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