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

Question

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

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

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

ashleyisakitty · Answer

attachment

anonymous · Answer

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

anonymous · Answer

@Ashleyisakitty

anonymous · Answer

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

anonymous · Answer

|dw:1380228827570:dw|

anonymous · Answer

.... D.....

anonymous · Answer

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

anonymous · Answer

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