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OpenStudy (anonymous):
can someone help??????
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OpenStudy (anonymous):
OpenStudy (madhu.mukherjee.946):
15 inches
OpenStudy (madhu.mukherjee.946):
use pythagoras's theorem
Mehek (mehek14):
@madhu.mukherjee.946 is correct it's 15
OpenStudy (madhu.mukherjee.946):
(39*39 )-(36*36)=225 now sq rt of 225 is 15
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OpenStudy (madhu.mukherjee.946):
thanks a@mehek14
OpenStudy (anonymous):
oh so 32 is wrong
Mehek (mehek14):
yes 32 is wrong
Mehek (mehek14):
\(39^2-36^2=225\\ \sqrt{225}=15\)
OpenStudy (anonymous):
oh okay thanks
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