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B<br />
Bar Models<br />
Patti drew this prism, showing only four visible faces.<br />
4. a. How many faces are hidden?<br />
b. How many vertices are hidden?<br />
c. How many faces are rectangles?<br />
d. Use Student Activity Sheet 4 to change Patti’s drawing into<br />
a bar model of the prism.<br />
e. How many total faces, total vertices, <strong>and</strong> total edges are in<br />
Patti’s prism?<br />
f. How many face diagonals are possible for Patti’s prism?<br />
How many edges were attached to each vertex in the bar models you<br />
considered in this section? Why do you think this was? Do you think<br />
you could ever have a different number of edges per vertex? Why or<br />
why not?<br />
22 <strong>Packages</strong> <strong>and</strong> <strong>Polygons</strong>
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