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Question
If ΔABC ∼ ΔPQR and `(A(ΔABC))/(A(ΔPQR)) = 16/25`, then find AB : PQ.
Sum
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Solution
`(A(ΔABC))/(A(ΔPQR)) = (AB^2)/(PQ^2)`
`16/25 = (AB^2)/(PQ^2)`
`(AB)/(PQ) = sqrt(16/25)`
`(AB)/(PQ) = 4/5`
∴ AB : PQ = 4 : 5
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