Modulus of a resultant vector

[Qwertyuiop[]]

Hi, we have 2 vectors a and b in the plane with modules a and b. The vector c = a + b . What is the correct option related to the modulus of the vector c ? Is there a vector property that I have to make use of here ?

 

[topsquark]

Hi, we have 2 vectors a and b in the plane with modules a and b. The vector c = a + b . What is the correct option related to the modulus of the vector c ? Is there a vector property that I have to make use of here ?

Have you heard of the triangle inequality?

-Dan