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[" PQ "1/BC" .Find the ratio of the alte...

[" PQ "1/BC" .Find the ratio of the alteal triangle "ABC." On "AD" as base,another equilaterent "],[AD" is an altitude of an equilateral triat Area "(Delta ADE):" Area "(Delta ABC)=3:4.[" CBSE20"],[" triangle "ADE" is constructed.Prove that "A" ."]

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