Three of the angles of a polygon are

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

4 0

Answer:

three angles of a polygon are each 105.5,the sum of the angles in the polygon is 2520. find each of the other angles if they are equal to each other. For a polygon with n sides and n angles, the sum of the measures of all the interior angles equals (n-2)180 degrees. 16-3=13

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Since the triangle is equilateral, which means three sides have the same length.

So we have：4x-y=2x+3y=7

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