Evaluate the following integral.

Integral from $0$ to $3$ StartRoot $3$ EndRoot StartFraction dx Over StartRoot $36$ minus x squared EndRoot EndFraction$033$dx$36$x$2$

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Part $1$

Integral from $0$ to $3$ StartRoot $3$ EndRoot StartFraction dx Over StartRoot $36$ minus x squared EndRoot EndFraction$033$dx$36$x$2$equals$=$enter your response here

$($Type an exact$$ answer, using

pi

as$$ needed.$)$