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Q.

State true or false.


If P is a point on the median AD of a ΔABC  , then area ( ΔABP  ) = area ( ΔACP  ).
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a

True

b

False 

answer is A.

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Detailed Solution

Given in ΔABC  , P is a point on the median AD.
Since, AD is the median.
Thus, BD = DC.
Consider the height of ΔABC   be h,
  area ΔABD  = area ΔACD 1 2 × h × BD =  1 2 × h × CD  
Consider H to be the height of ∆BPD and of ∆PDC.
area ΔBPD  = area ΔCPD 1 2 × H × BD =  1 2 × H× CD  
From the figure, area ΔABD  = area ΔABP  + area ΔBPD  ,
And, area ΔACD  = area ΔACP  + area ΔPDC  .
From the above results, thus, area ΔABP  = area ΔACP   .
Hence the given statement is true.
Option 1 is the correct choice.
 
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