What is the area of the rectangle? Round to the nearest square inch.
A.
28 in2
B.
32 in2
C.
34 in2
D.
36 in2
http://static.k12.com/calms_media/media/1579000_1579500/1579371/1/0a88753ff7dedea430cc1e6dc9e7a34593ae165d/MS_IMC-150126-130910.jpg
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OpenStudy (anonymous):
you need to find the bottom length so you need to use the pythaorean theorem again to find the side length
OpenStudy (anonymous):
I think it's d btw
OpenStudy (anonymous):
its not
OpenStudy (anonymous):
8^2 + 4^2 is 80 the square root of 80 is 8.9
OpenStudy (anonymous):
no, in this case 8 is the c value of the pythagorean theorem
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OpenStudy (anonymous):
oh dang it.
OpenStudy (anonymous):
so its a^2 + 4^2 = 8^2
OpenStudy (anonymous):
ohhh, okay
OpenStudy (anonymous):
so its c (im totally not guessing)
OpenStudy (anonymous):
nope
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OpenStudy (anonymous):
after that equation a would be the square root of 48
OpenStudy (anonymous):
so multiply that by 4
OpenStudy (anonymous):
i know i got that far D:
OpenStudy (anonymous):
because 4 is a side length and square root of 48 is a side length
multiply them together and you have the area
OpenStudy (anonymous):
b?
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OpenStudy (anonymous):
\[4\times \sqrt{48}=?\]
OpenStudy (anonymous):
13.85
13.9
OpenStudy (anonymous):
its 27.7 which rounded is 28 inches, so A
OpenStudy (anonymous):
pffft i knew that XD
ilysm thank you again your my new favorite person