1.

Let S_1 , S_2 , …. Be squares such that for each n ge 1the length of a side of S_n equals the lengths of a diagonal of S_(n+1) . If the length of a sides of S_1 is 10 cm, then for which of the following values of n is the area of S_n less than 1 square cm ?

Answer»

4
8
6
7

Answer :B


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