Question

What is the sum total of all the angles in a quadrilateral​

Answer 1

It is 360 degrees
Hope it helps

Answer 2

It's 360 degrees.

For example if square:

$\displaystyle\sum_{i=1}^{4}90^{\circ}=90^{\circ}+90^{\circ}+90^{\circ}+90^{\circ}=360^{\circ}$

Hope this helps.