<span>D.if a polygon has four congruent sides, then it is a square.
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Answer:
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Answer:
the triangles are reflected across the line y= -x
hope this helps
Step-by-step explanation:
Therefore, Sandy has 276 football cards.
2/3 of 300 is 200.
200 +40 = 240.
the total amount of seats minus the amount filled
300 - 240 = 60
That means that there are 60 seats remaining.
