In a △ABC, DE ∥ BC and AD/DB = 3/4. If AC = 14 cm, find AE. Also, if ar(△ADE) = 27 cm², find ar(△ABC), and hence ar(trapezium DECB).

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Basic Proportionality Theorem (Thales Theorem) | PadhAiPro

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TextBasic Proportionality Theorem (Thales Theorem)

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