anonymous
  • anonymous
helppp please<3 4. What is the measure of an exterior angle of a regular octagon? (1 point) a. 360 b. 135 c. 60 d. 45
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
What is the value of x in the regular polygon below? a. 40 b.120 c. 60 d. 150
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anonymous
  • anonymous
2. What is the measure of one interior angle of a regular 12-gon? (1 point) a. 30 b. 180 c. 1800 d. 150* my answer
anonymous
  • anonymous
1. What is the sum of the interior angle measures of a 20-gon? (1 point) a. 360 b. 3240 c. 3600 d. 162* my answer

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anonymous
  • anonymous
45 is the answer
anonymous
  • anonymous
for which one
yrelhan4
  • yrelhan4
The exterior angles of a polygon always add up to 360 degrees. If you have a regular octagon, it will have 8 sides (and obviously 8 exterior angles). 360 / 8 = 45° degrees.
yrelhan4
  • yrelhan4
Each exterior angle of a regular12-sided polygon measures 360/12=30 degrees Therefore each interior angle measures 180-30=150 degrees
yrelhan4
  • yrelhan4
sum of an interior angle of a regular polygon = 180º(n – 2) for 20-gon = 180 * (20 -2) = 3240º
yrelhan4
  • yrelhan4
done?
yrelhan4
  • yrelhan4
What is the value of x in the regular polygon below? A Regular Polygon is a polygon with all sides and all angles equal. so 360/6=30degrees each angle. so x=10 degrees.

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