The projection screen in the school auditorium is 3 times as long and 3 times as wide as the screen in the library. The screen in the library is 3 meters long with a perimeter of 10 meters.
What is the perimeter of the screen in the auditorium?
What is the area of each screen? 6
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What is the perimeter of the auditorium screen? )
m

Which transformation confirms that rectangle abcd and rectangle efgh are similar? a) rectangle abcd is rotated 90° clockwise about the origin and then dilated by a scale factor of 2 with the origin as the center of dilation. b) rectangle abcd is rotated 90° clockwise about the origin and then dilated by a scale factor of 1 2 with the origin as the center of dilation. c) rectangle abcd is rotated 90° counterclockwise about the origin and then dilated by a scale factor of 2 with the origin as the center of dilation. d) rectangle abcd is rotated 90° counterclockwise about the origin and then dilated by a scale factor of 1 2 with the origin as the center of dilation.