Geometry task Defining reflections interactive

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Eugenio Ca

22 Mayıs 2015 10:13

the question states:
Use the "Reflection" tool to define a reflection that will map quadrilateral BRIE onto the other quadrilateral below.
Which is the other quadrilateral below.? I see only a quadrilateral and 4 letters. Is there a bug or didn't I understand nothing?

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Eugenio Ca

22 Mayıs 2015 10:14
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here is the link:
https://www.khanacademy.org/mission/geometry/task/5893250978283520
Eugenio Ca

22 Mayıs 2015 10:20
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I've watched some worked examples videos and in them there is the original line or figure in blue and another one in gray. When I do my exercises I'm not able to see the one in gray.
Pls I need some feedback about
Tnx
Eugenio Ca

22 Mayıs 2015 12:24
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Problem solved by updating Firefox to v. 38.0.1

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Geometry task Defining reflections interactive

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