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Mathematics 9 Online
OpenStudy (cookie_2046):

A square painting has a diagonal of 44 in. Lorraine wants to frame the picture. How many inches of frame will she need? Round to the nearest inch. ________ in

OpenStudy (cookie_2046):

OpenStudy (anonymous):

it is forming a right angle triangle which means it on angle will be 90

OpenStudy (anonymous):

It's a square so both sides will be the same. \[a^2+a^2=44^2\]\[a^2+a^2=1936\]\[2a^2=1936\]\[a^2=968\]\[a=\sqrt{968}\]\[a=31.11\]\[4a=124.44\]

OpenStudy (cookie_2046):

36 <-- answer

OpenStudy (anonymous):

The question is asking for the perimeter of the picture, correct?

OpenStudy (cookie_2046):

yeah

OpenStudy (anonymous):

And 36 can not be the perimeter.

OpenStudy (cookie_2046):

i mean no

OpenStudy (anonymous):

Well when I think of framing something, I think of surrounding all sides (or the perimeter) with frame. What else could it be referring to?

OpenStudy (cookie_2046):

well i'm running out of time can you give me the answer :)

OpenStudy (cookie_2046):

before i go

OpenStudy (anonymous):

I already did, along with my explanation :). In my explanation, the "a" represents the side of the square.

OpenStudy (cookie_2046):

oh i didnt see that

OpenStudy (cookie_2046):

i didnt know you gave me the answer? stupid me

OpenStudy (anonymous):

Remember to round the answer, so 124.

OpenStudy (cookie_2046):

thxs u

OpenStudy (anonymous):

No problem :)

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