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DeltaABC and DeltaDEF are similar and th...

`DeltaABC and DeltaDEF` are similar and their areas be respectively `64cm^(2)` and `121cm^(2)`. If `EF=15.4cm`, BC is.

A

11.2 cm

B

12.1 cm

C

11.0 cm

D

12.3 cm

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The correct Answer is:
A
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