from one vertex of a regular polygon maximum seven diagonals can be drawn in the Pollygon what is the sum of the angle of the polygon
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Answer:
1440
Step-by-step explanation:
decagon = 10 sides
7 diagonals
an angle of a polygon= [n-2]multiplied by 180
----------------------------------
n
= [10-2] multiblied by 180,divided by n
= 8 muliplied by 180 ,divided by n
= 1440 divided by n
=1440 divided by 10
= 144
sum of all the angles = 144 multiplied by 10
=1440
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