Question:
A diagonal of a rectangle is inclined to one side of the rectangle at $25^{\circ}$. The acute angle between the diagonals is
(a) $55^{\circ}$
(b) $50^{\circ}$
(c) $40^{\circ}$
(d) $25^{\circ}$
Solution:
(b) We know that, diagonals of a rectangle are equal in length.
Alternate Method
Given, in a rectangle $A B C D$,