Question

show the sum of the quadrilateral is 360०​

Answer 1

Answer:

yes the sum of quadrilateral is always 360 degree

Answer 2

We know that the sum of the angles of a triangle is 180°. ⇒ ∠A + ∠B + ∠C + ∠D = 360° [using (i) and (ii)].

Hence, the sum of all the four angles of a quadrilateral is 360°.