What is the formula for the sum of interior angles of a polygon with n sides?
IM2 1.2.3 Interior & Exterior Angles of Polygons

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
(n - 2) × 180°
2.
FLASHCARD QUESTION
Front
If an interior angle of a regular polygon is 120°, how many sides does it have?
Back
6 sides
3.
FLASHCARD QUESTION
Front
What is the measure of each exterior angle of a regular polygon with n sides?
Back
360° ÷ n
4.
FLASHCARD QUESTION
Front
What is the sum of exterior angles of any polygon?
Back
360°
5.
FLASHCARD QUESTION
Front
How do you calculate the sum of interior angles for a polygon?
Back
(n - 2) × 180° where n is the number of sides.
6.
FLASHCARD QUESTION
Front
What is the measure of each interior angle of a regular pentagon?
Back
108°
7.
FLASHCARD QUESTION
Front
What is the measure of each exterior angle of a regular pentagon?
Back
72°
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