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When the coordinate… - QuestionCove
OpenStudy (anonymous):

When the coordinates (1,1) (4,4) (7,1 and (4,-2) are joined which shape is formed ? A) parallelogram B) rectangle C)rhombus D) square

4 years ago
OpenStudy (anonymous):

Plot the points and connect them. If you find parallel lines (two pairs) you have a parallelogram...recall parallel lines have the same slope

4 years ago
OpenStudy (anonymous):

that's just a hint I haven't worked it out

4 years ago
OpenStudy (anonymous):

@mashe do you know a website where I can plot online

4 years ago
OpenStudy (ashleyisakitty):

4 years ago
OpenStudy (anonymous):

@asheyisakitty so it's a square?? or is it a parallelogram ??

4 years ago
OpenStudy (anonymous):

@Ashleyisakitty

4 years ago
OpenStudy (anonymous):

if product of slopes of adjacent sides=-1 then they are perpendicular.

4 years ago
OpenStudy (anonymous):

|dw:1380228827570:dw|

4 years ago
OpenStudy (anonymous):

.... D.....

4 years ago
OpenStudy (anonymous):

if AC=BD Then square or rectangle. if product of slopes of AC & BD=-1, Then it is a square.

4 years ago
OpenStudy (anonymous):

it can be rhombus also. for square all the four sides are equal and diagonals are also equal.

4 years ago
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