Question

let triangle ABC congruent triangle DEF and their areas be 64cm square and 121 cm square respectively.If EF = 15.4 cm ,find BC​

Answer 1

Answer:

ABC∼△DEF

⟹Ar(ΔDEF)Ar(ΔABC)=(EFBC)212164=(15.4BC)2BC=12164×15.4BC=118×15.4=11.2cm

Step-by-step explanation:

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Answer 2

Answer:

above answer is correct

Step-by-step explanation:

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