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Mathematics 12 Online
OpenStudy (highschoolmom2010):

help please picture attached

OpenStudy (highschoolmom2010):

OpenStudy (highschoolmom2010):

|dw:1376252434909:dw|

ganeshie8 (ganeshie8):

Yes, you want to find x take a close look and see if u knw(can knw) any other sides in that triangle ?

OpenStudy (highschoolmom2010):

|dw:1376252547785:dw| using the drawing i got 16 idk if its right

ganeshie8 (ganeshie8):

thats right ! 15 ft radius + 1ft overhang = 16

ganeshie8 (ganeshie8):

keep going

OpenStudy (highschoolmom2010):

sorry 1 sec

ganeshie8 (ganeshie8):

ok

OpenStudy (highschoolmom2010):

\[\cos (25)=\frac{ 16 }{ x }\]

OpenStudy (highschoolmom2010):

i have forgotten what to do next

ganeshie8 (ganeshie8):

you wanto find x

ganeshie8 (ganeshie8):

maybe multiply x both sides first

OpenStudy (highschoolmom2010):

\[(x)*\cos25= \frac{ 16 }{ x }*(x)\] \[X \cos 25=16\]

ganeshie8 (ganeshie8):

next ?

OpenStudy (highschoolmom2010):

\[\frac{ X \cos 25 }{ \cos 25 }=\frac{ 16 }{ \cos 25 }\]

ganeshie8 (ganeshie8):

perfect !

OpenStudy (highschoolmom2010):

\[x=14.5\]

ganeshie8 (ganeshie8):

try again

ganeshie8 (ganeshie8):

looks uve multiplied cos25, instead of dividing

OpenStudy (highschoolmom2010):

16.1

ganeshie8 (ganeshie8):

try again

OpenStudy (highschoolmom2010):

*breaking out scientific calculator*

OpenStudy (highschoolmom2010):

approx 17.6

ganeshie8 (ganeshie8):

lol, yes 17.65 ft but they want the answer in ft and inch

OpenStudy (highschoolmom2010):

ok so i convert ???

OpenStudy (highschoolmom2010):

the .65 is confusing me

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