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5 September, 02:58

What is the sum of all measures of the interior angles of a regular three-sided polygon?

a. 100°

b. 150°

c. 180°

d. 360°

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Answers (2)
  1. 5 September, 03:02
    0
    The sum of the three angles inside a 3-sided polygon ...

    commonly referred to as a "triangle" ... is 180 degrees.

    It doesn't matter whether the polygon is regular or not.

    Any three sides make three angles that total 180 degrees.
  2. 5 September, 03:26
    0
    The sum of the interior angles of a polygon is:

    180 (n-2)

    Where n is the number of sides. Therefore

    180 (1)

    =180

    So the interior angles add up to 180 degrees in a triangle.
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