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13 September, 12:04

Rectangle abcd is similar to rectangle pqrs. given ab=14 cm, BC=8cm and pq=21cm, calculate the length of QR

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  1. 13 September, 15:32
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    QR = 12 because you set up a proportion 21/14=x/8 then cross multiply and get 14x=168 then you divide and get 12
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