Construct: reflect neurosoup.org Topical synopsis | Geometry synopsis | MathBits" Teacher sources Terms of Use contact Person: Donna Roberts

Let"s easily review what we already know about reflections and how the pre-image and also image are positioned in relation to one another.
an object and the reflection have the very same shape and size, however the figures face in the opposite directions, appearing as winter images.

The enjoy line, m, is the perpendicular bisector the the segment joining each allude to that is image.

The existence of the perpendicular bisector will certainly be the reflection"s link to constructions. Let"s see just how we can put it to work.

You are watching: How to construct a line of reflection

If girlfriend need additional information on reflections, walk to the section on Transformations.

provided a figure and its reflection, construct the line of reflection.

 Given: ΔD"E"F" is the reflection of ΔDEF in some line in the exact same plane. Task: Construct the line of reflection Connect any type of vertex of ΔDEF to that image(E to E"). Construct the perpendicular bisector of the segment formed. Done.
 This example chose to affix E to E". You could, however, have chosen to attach D to D" or F come F" for your construction. It is enough to pick only one set of matching points to get the line of reflection. You need not bisect every three connected segments, uneven you desire to test the accuracy of your construction.

given a figure and line that reflection, construct the reflect image.

 Given: ΔABC and also reflection line n in the very same plane. Task: Construct the reflected photo of ΔABC and label it ΔA"B"C" Choose a beginning vertex (A). Construct a perpendicular native A to the line of reflection. Measure up the length from A come the intersection point. Copy this size on the perpendicular bisector beginning at the intersection suggest to discover A". You have actually located ONE crest of the image.
 After repeating this procedure for each of the three vertices, friend will have actually the vertices that the photo ΔA"B"C". Done.See more: Just When The Caterpillar Thought The World Was Over It Became A Butterfly The bespeak in which you repeat this procedure is that no importance.

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