1.

In the figure shown square II is formed by joiningthe mid-points of square I and so on . In this way total five squares are drawn . The sides of the square I is 'a' cm. What is the perimeter of all the five squres ?

Answer»

A)`((4 sqrt(2) + 1) a)/((sqrt(2) + 1))`
B)`((4 sqrt(2) -1) a)/((sqrt(2) + 1))`
C)`( 5)/(6) a `
D)`(7 + 3 sqrt(2) ) a `

Answer :D


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