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 According to which theorem In any triangle the sum of square on any two sides is equal to twice the square on half the third side together with twice the square on the median which bisect the third side.
a) Pythagoras theorem       
b) dimensionless theorem
c) Apollonius theorem       
d) none of these

c


a

Projection of a vertical line segment on a line segment is a point which is called
a) point                                 
b) zero dimension
c) dimension                        
d) none of these

b