Question

plz answer this question ​

Answer 1

Answer:

equal to 360°.(c)

Explanation:

We know that, the sum of interior angles of any

polygon (convex or concave) having n sides is

(n-2)×180

So,

The sum of angles of concave quadrilateral is

(4-2)×180

= 2×180

= 360°

Ans