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tifftiff22
27.12.2019 •
Mathematics
Parallelogram abcd is reflected over the y axis, followed by a reflection over the x axis, and then rotated 180 degrees about the origin,. what is the location of point a after the transformations are complete? a (-5,-1) b. (5,1) ,1) d.(5,-1)
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Ответ:
Option c.
Step-by-step explanation:
The missing figure is attached.
Given a point
:
1. If it is reflected over the y-axis:
2. If it is reflected over the x-axis:
3. If it is rotated 180 degrees about the origin:
In this case, you can identify that the point A is:
Then:
If it is reflected over the y-axis:
If then it is reflected over the x-axis:
Finally, if this is followed by a rotationf of 180 degrees about the origin, this is:
Ответ:
a+a+2a+2a=180
6a=180
a=30
3x-12=x
2x=12
x=6
8-y=x
8-y=6
y=2