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Pentagon ABCDE is shown on the coordinate plane below.
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If pentagon ABCDE is rotated 180° around the origin to create pentagon A'B'C'D'E', what is the ordered pair of point D'?
Select one: a. (-1, 2) b. (2, 1) c. (1, -2) d. (-2, -1)
Hey did you try drawing it out yet?
@ganeshie8
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have a look at pic wat are the coordinates of point D ?
ok
1, -2
Yes ! use the 180 degree rotation to that point :- (x, y) -----> (-x, -y)
sp its d
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(1, -2) -----> ?
no, try again
you need to flip both x and y signs
so A then
(x, y) -----> (-x, -y) (1, -2) ----->(-1, --2) (1, -2) ----->(-1, 2)
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A is \(\large \color{red}{\checkmark}\)
thnx a lot
np :)
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