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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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Answer:
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.
