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Tati_Lee
 3 years ago
The coordinates of rectangle ABCD are A(8, 6), B(2, 6), C(2, 3), D(8, 3). What are the coordinates of the point of intersection of the diagonals of the rectangle after the rectangle is reflected across the xaxis?
(5, 1.5)
(5, 4.5)
(5, 4.5)
(5, 1.5)
Tati_Lee
 3 years ago
The coordinates of rectangle ABCD are A(8, 6), B(2, 6), C(2, 3), D(8, 3). What are the coordinates of the point of intersection of the diagonals of the rectangle after the rectangle is reflected across the xaxis? (5, 1.5) (5, 4.5) (5, 4.5) (5, 1.5)

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Tati_Lee
 3 years ago
Best ResponseYou've already chosen the best response.0@jim_thompson5910 can you help me

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1First find the midpoint of segment AB

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1Do you know how to do that?

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1so what is the midpoint of AB

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1now find the midpoint of BC

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1and tell me what you get

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1you should have gotten (2,4.5)

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1now call the midpoint of AB point M call the midpoint of BC point N

Tati_Lee
 3 years ago
Best ResponseYou've already chosen the best response.0ohh i subtracted the first one instead of adding my bad

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1the diagonals will cross at the point that has the x coordinate of M and the y coordinate of N So the diagonals will cross at (5,4.5)

Tati_Lee
 3 years ago
Best ResponseYou've already chosen the best response.0but thats not one of the choices

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1oh, you have to reflect it over the x axis, so the y coordinate will flip in sign and become 4.5

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1so the intersection of the diagonals is (5,4.5)
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