Question

If ABCDEF is a regular hexagon, then  equals 

Solution

Correct option is

 

   

  

 

In ∆AOB, we have  

         

  

  

  

SIMILAR QUESTIONS

Q1

If the vectors  are the sides of a âˆ†ABC, then length of the median through A is 

Q2

The sides of a parallelogram are  then the unit vector parallel to one of the diagonals is 

Q3

If the points  are collinear, where  are three non-coplanar vectors, the value of t is 

Q4

A vector coplanar with vectors  and parallel to the vector  

Q5

Let the coordinates of a point P with respect to a system of non-coplanar vectors  be (3, 2, 1). Then, the coordinates of P with respect to the system of vectors  and 

Q6

 

If (xyz) ≠ (0, 0, 0) and  

 then the values of a are

Q7

The vector  lies in the plane of the vectors  bisects the angle between . Then , which one of the following gives the possible values of α and β?

Q8

If  are vectors forming consecutive sides of a regular hexagonABCDEF, then representing side CD is  

Q9

In a regular hexagon ABCDEF, Then   

Q10

If  are the position vectors of points ABCD such that no three of them are collinear and  then ABCD is a