Which of the following is the sum of all interior angles in a hexagon?

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7200

3600

2700

5400

answer is A.

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Detailed Solution

Given,
To find the sum of interior angle of a hexagon.
As we know, the number of sides of a hexagon is 6.
Sum of all the interior angle of a n-sided polygon

= (2 n − 4) × 900

.
On substituting the value of n=6 in the formula,

= (2 × 6 − 4) × 900

= (12 − 4) × 900

= (8) × 900

= 7200

Hence, sum of all interior angle of the hexagon is

7200

.
Therefore, option 1 is correct.

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