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as to form a triangular plot. Explain how this proposal will be implement, 13. ABCD is a trapezium with AB || DC. A line parallel to AC intersects AB at X and BC at Y. Prove that ar (ADX)= ar (ACY). [Hint : Join Cx.] 14. In Fig. 9.28, AP || BO I CR. Prove that a (ADE) >aribu in Fig. 9.32. ABCD AD CQ If AQ inter Hint: Join AC.)

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