Answer:
C
Step-by-step explanation:
Multiply the side length by the number of sides to get the perimeter. The formula for finding the perimeter of a regular polygon is just the number of sides x the length of any side. Once you've multiplied those 2 numbers together, you've found the perimeter of the polygon
Answer:
Option. 3. Ang. OPS and Ang. OPN
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You would want to subtract 10x from 6x to get -4x and then you divide 4 by -4 to get -1 so x=-1