Fill in the blanks
The vectors are the adjacent sides of a parallelogram. The acute angel between its diagonals is ____________.

Question

Fill in the blanks The vectors are the adjacent sides of a parallelogram. The acute angel between its diagonals is ____________.

Philoid · Accepted Answer

Given that ,

Let are two diagonals of parallelogram.

⇒

Let θ be the angle between diagonals .

Then,

⇒

Fill in the blanksThe vectors are the adjacent sides of a parallelogram. The acute angel between its diagonals is ____________.