Three vertices of a rectangle have coordinates (–2, 5), (–2,–3), and (4, –3).
What are the coordinates of the fourth vertex of the rectangle?
A.
(–4, 5)
B.
(5, –3)
C.
(4, 3)
D.
(4, 5)
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OpenStudy (anonymous):
u need help still little man
OpenStudy (anonymous):
yep big man
OpenStudy (anonymous):
im a a girl but lol
OpenStudy (anonymous):
lol
OpenStudy (anonymous):
give me a sec ok
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OpenStudy (triciaal):
opposite side are the same length
2 sets of same lengths
OpenStudy (anonymous):
i thank its D but im not to sure
OpenStudy (anonymous):
think
OpenStudy (anonymous):
i will check
OpenStudy (anonymous):
it is D
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OpenStudy (anonymous):
IM SURE
OpenStudy (anonymous):
i put it on a graph dotted the points andn the one that was missing was (4,5)
OpenStudy (anonymous):
can u help me with 5 more
OpenStudy (anonymous):
sure
OpenStudy (mathmate):
Since you have 5 more to do, there is a little trick that works sometimes:
If the rectangle has SIDES PARALLEL to the axes, AND
If the points are given in order, then there is an easy trick:|dw:1433170359815:dw|
You can cancel identical coordinates of ADJACENT points. What's left is the fourth vertex.