Question 162
A rectangle $ABCD$ has a circumscribed circle with radius $5$. Points $P$, $Q$, $R$ and $S$ are the midpoints of the sides of rectangle $ABCD$.
What is the perimeter of quadrilateral $PQRS$?
A) $12$ B) $14$ C) $8\sqrt{5}$ D) $20$ E) not uniquely determined
What is the perimeter of quadrilateral $PQRS$?
A) $12$ B) $14$ C) $8\sqrt{5}$ D) $20$ E) not uniquely determined