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Q.

State if the statement “In a triangle, the sum of the squares of any two sides is equal to twice the square of the median which bisect the third side” is true or false.


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a

True

b

False 

answer is B.

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Detailed Solution

It is given that “In a triangle, the sum of the squares of any two sides is equal to twice the square of the median which bisect the third side”.
Hence, using the Pythagoras theorem.
ΔABE A B 2 =A E 2 +B E 2 ΔAEC A C 2 =A E 2 +E C 2   Adding both the equations.
ΔABCΔQRP   A B 2 +A C 2 =2A D 2 +2 1 2 BC 2 BC=2BD  
Hence, the sum of squares of any two sides is equal to twice the square of the median which bisects the third side.  Therefore, option 2 is correct.
 

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