Question

In the following figure there is a semi circle with Centre 'O' and diameter AB (=2r). PQRS is a square of maximum possible area. P and Q lie on the diameter AB and R lies on the arc of the semicircle, there are two more squares of maximum possible area EFGP and CDQH. What is the length of RC and FS?

1) √(2/5)(2r)
2) (2√2 r)/5
3) √2 r/5
4) None of these

Note: Answer given is option 1
Please give me the solution ASAP

Answer 1

please send diagram vvvvvvvvvvvvv

Answer 2

Step-by-step explanation:

hope u understand...

it's proved qx=qy