Question

if the regular polygon having 9 finds the sum of the 3960/45 interior angle.

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Answer 1

Step-by-step explanation:

Given If the regular polygon having 9 sides. find the sum of the interior angle.

• The sum of interior angles of a regular polygon is given by (n – 2) x 180 where n is the number of sides.
• According to the question a regular polygon has 9 sides. We need to find the sum of interior angle.
• So we have  
• Sum of interior angles = (9 – 2) x 180 (since n = 9)
•                                     = 7 x 180
•                                     = 1260 degree.
• Therefore the sum of interior angles of a 9 sided polygon is 1260 degree.

Reference link will be

https://brainly.in/question/5161178#: