Big Ideas Math Geometry, 2014
BI
Big Ideas Math Geometry, 2014 View details
2. Reflections
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Exercise 21 Page 187

Can you fold the trapezoid over itself somehow?

1

Practice makes perfect
If you are able to fold a figure along some line so that the two parts line up, then we have found a line of symmetry. For this trapezoid, there is only one way we can fold it that fits this criteria.