Question

the sum of all angles of a quadrilateral is 360 degree yes / no

Answer 1

Yes , it is indeed 360°.
Hope it helps

Answer 2

yes.. it is a property of a quadrilateral..

if you cut small pieces of paper on all the sides and arrange them in an order we get a circle that is 360 degrees.

to find the total sum of a the angles we use the formula

(n-2)180

quadrilateral has 4 sides and N represents the number if sides..

(4-2)180

2(180)

360 degrees

hope this helps!