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Find the value of X.​

Find the value of X.​-example-1

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Explanation:

Sum of known angles in

polygon=105+95+95+125= 420

Sum of angles in a polygon= 90(2n-4)

= 90×(2×5)-4

= 90×10-4

= 90×6=540°

Therefore x. = 540°-420°

=. 120°

Note:. n is the number of sides of the polygon.

User Moshe Shaham
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