A flower arrangement was marked down 12.5%. if the flowers originally cost $20, what is the amount of the discount?
2 answers:
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Answer:
The polygon has 3 sides ( a triangle).
Explanation:
The sum of the angles of a polygon can be written as;
where n is the number of sides of the polygon.
Given that the sum of the angles in the polygon is 180 degree;
Therefore, the polygon has 3 sides ( a triangle).
A. Always because imagine a line where one is y=x and the other is y=-x+1. The point of intersection would be (1,1)
