GRE
The diameter of the circular region
$$\sqrt{20}$$
x
3
The area of a square region with diagonal of length $$\sqrt{2}x$$
The area of a circular region with diameter of length x
The length of AB
$$2\sqrt{3}$$
s+$$\frac{t}{u}$$
11
The length of PQ
The length of PE
z
60
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