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Sunshine447
 2 years ago
Quadrilateral ABCD and its dilation, quadrilateral A'B'C'D', are shown on the coordinate plane.
If the center of dilation is at the origin, by what scale factor was quadrilateral ABCD dilated?http://learn.flvs.net/webdav/educator_geometry_v14/module06/img/06_06b_04_03_lg.gif
Sunshine447
 2 years ago
Quadrilateral ABCD and its dilation, quadrilateral A'B'C'D', are shown on the coordinate plane. If the center of dilation is at the origin, by what scale factor was quadrilateral ABCD dilated?http://learn.flvs.net/webdav/educator_geometry_v14/module06/img/06_06b_04_03_lg.gif

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Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0@apple_pi @ashleyvess07 @giovkast

apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1If the center is 0,0 then to find the scale factor just take any of the points on the smaller figure e.g. A(0,3) and the corresponding point on the larger figure e.g. A'(0,9). Work out the distance of each from the center of dilation (0,0). The distances will be reduced at an equal ratio as the figure.

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0I dont know... I'm so confused @apple_pi

apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1Actually no, the original figure is ABCD not A'B'C'D, and the figure is being dilated, so the scale must be > 1

apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1well, scale of 1 means no increase or decrease. scale of > 1 means it is being enlarged. scale of < 1 means it is being shrunken.

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0will it always be 1, >1, or <1? There's no other possible answers?

apple_pi
 2 years ago
Best ResponseYou've already chosen the best response.1What I meant by > 1, is that it is definitely 3 not 1/3
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