Fill in the blanks: If `overline (AB)`= 7 cms and C is the midpoint of ` overline (AB) `, then the relation between `overline (AB)`, `overline (Ac)`, is _____________

If overline (AB) bot overline (BC) and overline (BC) bot overline (CD) , then how are overline (AB) , overline (CD) ?

If C is the midpoint of AB and P is any point outside AB, then

If overline (AB)|\|overline (DC) and overline (CD)|\|overline (EF) then how are overline (AB) , overline (EF) ?

In the parallelogram ABCD, overline(AC)^(2)- overline(BD)^(2) =

If D, E are the midpoints of AB, AC of Delta ABC, then vec(B)E + vec(D)C=

If |overline(a)|=3,|overline(b)|=4 and the angle between overline(a) and overline (b) is 120^@ , then |4overline(a)+3overline(b)| is equal to

Measure all the line segments in the figure given below and arrange them in the ascending order of their lengths. Line segments overline(AB) , overline(AC) , overline(AD) , overline(AE) , overline(BC) , overline(BD) , overline(BE) , overline(CD) , overline(CE) , overline(DE)