Chapter 14: Q11. (page 579)
Complete the following. Assume points D, C, U, W, X, and Y are obtained by reflection in link k or j.

Short Answer
Reflection of line in the line j is,
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Chapter 14: Q11. (page 579)
Complete the following. Assume points D, C, U, W, X, and Y are obtained by reflection in link k or j.

Reflection of line in the line j is,
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Fold a piece of paper. Cut a design connecting the top and bottom point of the fold, as shown. Unfold the shape. Consider a mapping M of the points in the gray region to the corresponding points in the red region.

Copy each figure on graph paper. Then draw the image by reflection in line k.

Repeat Exercise 39 letting j be the horizontal line with equation .
In each exercise . Find an equation of line k.

A piece of paper is wrapped around a globe of the Earth to form a cylinder as shown. O is the center of the Earth and a point P of the globe is projected along to a point of the cylinder.

Describe the image of the globe’s equator.
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