Question

8. Using the angle sum property of a triangle, find the sum of the angles of any quadrilateral. {Hots}​

Answer 1

Answer:

Let ABCD be a quadrilateral .Join AC

Step-by-step explanation:

Explanation is in picture

Answer 2

$\huge \red {\underbrace \mathfrak{answer :}}$

We know that the sum of the angles of a triangle is 180°.

☞︎︎︎ ∠A + ∠B + ∠C + ∠D = 360°

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