ericalexington ericalexington
  • 02-08-2018
  • Mathematics
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HELP HELP HELP!! GEOMETRY ROTATIONS// DILATIONS!!! ANSWER ALL BOXES AND INCLUDE EXPLANATION IF POSSIBLE !! BOGUS ANSWERS WILL BE REPORTED

HELP HELP HELP GEOMETRY ROTATIONS DILATIONS ANSWER ALL BOXES AND INCLUDE EXPLANATION IF POSSIBLE BOGUS ANSWERS WILL BE REPORTED class=

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sqdancefan
sqdancefan sqdancefan
  • 02-08-2018

a) Rotation: the line segment AB is pointed west; the line segment A'B' is pointed south. That is a rotation of 90° CCW or 270° CW. Positive angles are measured in the CCW direction, so the appropriate answer for rotation is probably 90°.

b) Dilation: the point C' has x-coordinate 4; the point C'' has x-coordinate 8. The dilation factor is 8/4 = 2.

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