minniepenelope minniepenelope

16-10-2017
Mathematics

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Marvin reflected this trapezoid over a line, but only 2 of the vertices changed position. Which line could Marvin have used for the reflection?

Marvin reflected this trapezoid over a line but only 2 of the vertices changed position Which line could Marvin have used for the reflection class=

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Kalahira Kalahira

25-10-2017

He chose a line that was collinear with one of the trapezoids parallel sides. A trapezoid has only one pair of sides that are parallel. If Marvin chose a line that was collinear with on of these sides, then the result would be only two points changing position as the other two points would be on the line of transformation.

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