a9n4abhavenushi a9n4abhavenushi

18-05-2016
Mathematics

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Given quadrilateral ABCD ~ quadrilateral JKLM and AD = 14, JM = 6, and KL = 9, what is BC?

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meerkat18 meerkat18

24-05-2016

ABCD ; AD = 14 ; BC = ?
JKLM ; JM = 6 ; KL= 9

6/14 = 9/X
6X = 9*14
6X = 126
X = 126/6
X = 21

14/6 = 2 1/3
21/9 = 2 1/3

BC = 21

QUADRILATERAL ABCD IS 2 1/3 TIMES BIGGER THAN QUADRILATERAL JKLM

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