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OpenStudy (anonymous):
What is the area of a rhombus when d1=(x+4) and d2= (2y-4)?
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OpenStudy (dumbcow):
what does d1 and d2 refer to?
OpenStudy (anonymous):
diagonal1 and diagonal2
OpenStudy (dumbcow):
ok the area is d1*d2/2 ->(x+4)*(2y-4) /2
OpenStudy (anonymous):
so would that be (2xy+8y-4x)/2?
OpenStudy (dumbcow):
dont forget to multiply the 4 by -4 -> (2xy + 8y-4x-16)/2
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OpenStudy (dumbcow):
factor a 2 out which will cancel with the 2 in the denominator
OpenStudy (anonymous):
looks like dumbcow isn't really dumb :)
OpenStudy (dumbcow):
why dont you go take a catnap
OpenStudy (anonymous):
Would that become xy+4y-2x-8?
OpenStudy (dumbcow):
correct
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OpenStudy (anonymous):
awesome!
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