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Pleaseee helppp answer correctly !!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!

Pleaseee helppp answer correctly !!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!-example-1
User Arc
by
8.2k points

2 Answers

2 votes

Answer:

9

Explanation:

size of each interior angle can be represented by:
140^(o) = 180^(o)
((n-2))/(n)

solve for n:


140^(o) = 180^(o)
((n-2))/(n) multiply both sides by n

140ºn = 180º(n - 2) distribute 180º to (n - 2)

140ºn = 180ºn - 360º subtract 180ºn from both sides

-40ºn = -360 divide both sides by -40º

n = 9

User Pranav Jadav
by
7.7k points
13 votes

Answer:

The Answer should be 9

140-180=40

360÷40=9

User Prince Vegeta
by
8.8k points

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