Reflections to Inverse : Exploration1

This activity is to experience the reflection of a point and a polygon with respect to a line mirror. Follow the instructions and make observations as you explore

Reflection about y=x line

What will be the coordinates of the reflection of the point A (6,2) with respect to the line mirror ?

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What will be the coordinates of the reflection of the point C (0,3) with respect to the line mirror ?

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In the following applet, use the reflection tool ( third from the left) to reflect each of the points about the line mirror.

Reflection about y=x line

Use polygon tool to draw the reflection of the given polygon about the line mirror y = x.

What do you observe regarding the coordinates of a point and its reflection with respect to the line mirror ?

Reflection of a Polygon about y=x line

Confirm if you got the correct reflection by using the Reflect about line tool given in the following applet.

Reflection about y=x line