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Given that ΔABC : ΔDEF, AB/DE = BC/EF , and the ratio of AB to DE is 1/3, which of the following could be the lengths of BC and EF?


BC = 3; EF = 12

BC = 3; EF = 10

BC = 4; EF = 6

BC = 3; EF = 9
please explain how you got it!!!


Sagot :

Answer:

BC=3,EF=9

Step-by-step explanation:

According to the question the ratio of BC/EF should be 1/3. The only pair that satisfy is BC=3,EF=9