In the figure the larger circle has dia 40 units and the smaller circle has dia 10 units. Both the circles touch each other at P and the smaller circle and ABCD touch each other at Q. PQ is the dia of the smaller circle. If ABCD is a square and Q is the mid point of AD, then its side is? Options: A . &nbsp 7 √ 17 B . &nbsp 7+3 √ 17 C . &nbsp 8+4 √ 19 D . &nbsp 8 √ 29 E . &nbsp Cannot be determined

Answer: Option C : C From the above figure, Now BRO is a right angled triangle. Solving for x, we get X= 22 - 4 √ 19 Side length of a square = 8 + 4 √ 19

In the figure the larger circle has dia 40 units and the smaller circle has dia

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