Question

What is the sum of the angles of a regular polygon if it has total no of sides 9 ?​

Answer 1

Answer:

So the interior angle of a 9 -sided polygon is 140 ° . We can see that x and one interior angle lie on the same side of a straight line, so their sum must be 180 °

Answer 2

Step-by-step explanation:

Nonagon91260°140°..........