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The sheet of plywood at the right has a piece cut from one corner.What is the area of the plywood?

Mathematics
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|dw:1347408268242:dw|
The area of the whole rectangle is 4 x8 = 32 You can now split up your shape into two rectangles. 8 x 2= 16 5 x 4 = 20 20+16 = 36 This makes no sense.
That is the closest I could draw

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Other answers:

Haha ok
Let me try and work it out
work out the area of a large outer rectangle then subtract from this the area of the rectangle in the top right corner
you will need to work these out first: |dw:1347408608107:dw|
Ok im working it out
So isn't the piece missing a 2 by 3?
yes :)
Ok so now what so I do?
what is the area of the piece that was cut out?
6
6ft. I mean
correct - 6 ft^2 now subtract 6 from the area of the original whole rectangle
would it be 64 - 6 = 58?
where did you get 64 from?
because 4x8 twice from before you cut out that piece of plywood
why "twice"?
|dw:1347408897668:dw|
Or is it just multiplied once
like 4x8 once - 6
what is the area of a rectangle with length L and width W?
Before you cut out the piece?
I think you may be getting confused with the perimeter of a rectangle which is the total distance all around it.
Yeah maybe.. :P
Area of rectangle of length L and width W = L * W Perimeter of rectangle of length L and width W = 2(L + W)
So then 80?
Yeah I forgot how to do this from last year.... :P
But I think I'm catching on! :)
so, with the extra acquired knowledge, what will be the original rectangles area (before the piece was cut out)?
80?
are you sure - look again and what we said above...
ok
what is the length and width of the original rectangle?
So wasnt it 8x8=64 4x4=16 64+16=80?
|dw:1347409394610:dw|
OHHHHHHHHHHHHHHHH!!! OK!! :D Sooo 32?
:) that is correct
now just subtract from this the area of the piece that was cut out
so? 26?
peeeeeerrrrfect!
Yahooo!!!!
I'm sure with some practice you'll become a maths wizard very soon
Im in honors im liike 2 grades ahead!!
that is fantastic - keep up the good work my friend :)
Thankx you 2
yw :)

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