Question

Each interior angle of a regular polygon is 140
Find the number of its sides ​

Answer 1

Answer:

it answer is 9 .......................,......

Answer 2

if n is of sides

(n-2) ×180 /n = 140

7/9 = = (n-2) /n

7n/9 = n-2

2n/9 =2

n/9=1

:. n= 9

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