What is the sum of interior angles and the measure for each angle for a 7 sided polygon

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The equation you would use is :

(n - 2) x 180

'n' is the number of sides

Substitute in the value:

(7 - 2) x 180 = 900.

The sum of interior angles is 900 degrees

To find out each individual angle, divide by 7:

900/7 = 128.5714

Each individual angle would be 128 degrees

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Sum = 900 degrees.

Each angle = 128.6 degrees to the nearest tenth.

Step-by-step explanation:

The formula for the sum of the interior angles is

S = 180(n - 2)  where n = the number of sides in the polygon.

So for a 7 sided polygon:

S = 180(7 - 2)

= 180 * 5

= 900 degrees.

As there are 7 angles the measure for each angle is 900/7

= 128.6 degrees to the nearest tenth.

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Step-by-step explanation:

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