Ek aayat ke sabhi ant konon ka yogfal
Hi Kamlesh,
A rectangle is a quadrilateral.
The sum of all interior angles of any quadrilateral is $360^{\circ}$. Each angle of a rectangle is ${9 0}^{\circ}$.
Therefore, $90^{\circ}+90^{\circ}+90^{\circ}+90^{\circ}=360^{\circ}$.
The sum of all interior angles of a rectangle is 360°.





