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Which of these statements is correct?
I. The sum of the interior angle measures of a regular convex polygon is found using the formula (n-2)180ºwhere n is the number of sides in the regular polygon. Dividing this by the number of sides (n) gives the measure of each interior angle.
II. The sum of the exterior angles of any polygon is 360º.
III. To determine the measure of each exterior angle for a regular polygon we can divide 360º by the number of sides (n).
A. l only
B. II only
C. II and III only
D. I, II, and III



Answer :

Heather

Answer: D. I, II, and III

Step-by-step explanation:

    The first statement, using (n-2)180º to find the sum of the interior angles of a regular convex polygon, is correct.

         I is correct.

    The second statement, sum of exterior angles of a polygon adding up to 360º, is also true.

         II is correct.

    Finally, the third statement, using 360º/n to measure the exterior angles of a regular polygon is also correct.

         III is correct.

    All of these statements are correct.

         D. I, II, and III

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