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CBSE Class 9 Answered

Sir, please in need the solution of this question. please give me its solution as soon as possible.
Asked by Varsha | 28 Jan, 2015, 07:22: PM
answered-by-expert Expert Answer
A r. space increment A B C equals 12 space c m squared A r. space increment A B D equals A r. space increment A D C equals 6 space c m squared space left square bracket S i n c e space B space i s space t h e space m i d minus p o i n t space o f space B C right square bracket B e t w e e n space t h e space p a r a l l e l space l i n e s space A P space a n d space E D comma rightwards double arrow A r. space increment A D E space equals A r. space increment P E D space left square bracket S i n c e space t h e space t r i a n g l e s space l i e s space b e t w e e n space t h e space p a r a l l e l space l i n e s space a n d space l i e s space o n space t h e space s a m e space b a s e right square bracket rightwards double arrow A r. space increment A D E space plus space A r. space increment D E C equals A r. space increment P E D plus space A r. space increment D E C space left square bracket A d d i n g space A r. space increment D E C space o n space b o t h space s i d e s right square bracket rightwards double arrow A r. space increment A D C space equals space A r. space increment P E C therefore A r. space increment P E C equals A r. space increment E P C equals 6 space c m squared
Answered by Prasenjit Paul | 30 Jan, 2015, 11:37: AM

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