\(\triangle ABC \sim \triangle PQR\), \(A(\triangle ABC) : A(\triangle PQR) = 16 : 9\) and \(AB = 12\). Then \(PQ = \)
A. 6.75
B. 16
C. 12
D. 9
A. 6.75
B. 16
C. 12
D. 9
Best answer
Answer: D. 9
\(\frac{AB}{PQ} = \sqrt{\frac{16}{9}} = \frac{4}{3} \Rightarrow PQ = \frac{3}{4} \times 12 = 9\).
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