7.1-7.3 Extra Practice
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the measure of ONE interior angle in a regular triangle (3 sides)?
Back
60°
2.
FLASHCARD QUESTION
Front
What is the formula for the sum of the exterior angles of a polygon?
Back
S=360°
3.
FLASHCARD QUESTION
Front
Find the value of X if the angle measures are 30°, 60°, and X° in a triangle.
Back
X=90°
4.
FLASHCARD QUESTION
Front
What is the name of a polygon with 9 sides?
Back
Nonagon
5.
FLASHCARD QUESTION
Front
What is the name of a polygon with 8 sides?
Back
Octagon
6.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
180°
7.
FLASHCARD QUESTION
Front
What is the formula for the sum of the interior angles of a polygon with n sides?
Back
(n-2)×180°
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