Two congruent squares are joined to make a rectangle. The perimeter of the rectangle is 96 cm. What is the area of the rectangle?
A. 256 cm2
B. 512 cm2
C. 144 cm2
D. 288 cm2
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OpenStudy (sleepyhead314):
let the short side of the rectangle be x
then the long side would be 2x
perimeter would then be 2(x) + 2(2x) = 96
can you solve for x?
OpenStudy (sleepyhead314):
|dw:1423516946357:dw|
OpenStudy (anonymous):
they are all in the thousands.
OpenStudy (sleepyhead314):
6x = 96
so x = 96 divided by 6 = ?
OpenStudy (anonymous):
oh
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OpenStudy (anonymous):
16
OpenStudy (sleepyhead314):
right :)
then the area is
2 times 16 times 16 = ?
OpenStudy (anonymous):
512
OpenStudy (sleepyhead314):
there you go :)
OpenStudy (anonymous):
thats all the question.
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OpenStudy (anonymous):
thanks for helping!
OpenStudy (anonymous):
So u know I fanned u.
OpenStudy (sleepyhead314):
I know :) I saw, thank you
it is also courteous to give "medals" by clicking the "Best Response" button if you liked the help we gave :)
OpenStudy (anonymous):
wheres that?
OpenStudy (sleepyhead314):
the blue "Best Response" button to the right of my comment :)
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