Question

how to find magnitude of vectors?

Answer 1

Draw a vector triangle. When you draw the horizontal and vertical components, you end up with a right triangle. The magnitude of the vector is equal to the hypotenuse of the triangle so you can use the Pythagorean theorem to calculate it. Rearrange the Pythagorean theorem to calculate the magnitude...

here it is

Answer 2

u have to do like this.....this is what called a magnitude of vector a.......it is simplest way for you to understand this.