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Q.

State True/ False:


The sum of all interior angles of a nonagon is 1260 0  .


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a

True

b

False  

answer is A.

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Detailed Solution

Given, a nonagon
The number of sides of a nonagon is n = 9.
We know that,
Sum of all interior angle = (n−2)× 180 0  , where, n is the number of sides of any given polygon.
Substituting the value of n, =(9−2)× 180 0     =(9−2)× 180 0 =7× 180 0  
= 1260 0  
Hence, the sum of all interior angles of a nonagon is 1260 0  .
Thus, the given statement is true.
Therefore, option 1 is correct.
 
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