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Mathematics 7 Online
OpenStudy (anonymous):

Solve for a and b.

OpenStudy (anonymous):

OpenStudy (anonymous):

nope no clue how to do this at all!

OpenStudy (anonymous):

find the angle find the sides

OpenStudy (anonymous):

okay hold on

OpenStudy (anonymous):

okay well if I am correct one is 90 degrees and there are two that have the same measurement but I dont know the number that goes to it... @aajugdar

OpenStudy (anonymous):

Okay I won't interrupt but this is so easy

OpenStudy (anonymous):

no its fine if you can help please do! @Luis_Rivera

OpenStudy (anonymous):

yes here the 2 angles are equal so trigonomatric values wil be same so cos =21/29 and for other angle cos = 20/b

OpenStudy (anonymous):

so 21/29 = 20/b solve for b

OpenStudy (anonymous):

okay, I dont see that for the answers ^ would it just be 20*29 then that divided by 21? @aajugdar

OpenStudy (anonymous):

a= 19 b= 28

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

okay so then what?

OpenStudy (anonymous):

then use pythagorus?

OpenStudy (anonymous):

but this is using fractions? like the answers are all fractions

OpenStudy (anonymous):

did you get b=28

OpenStudy (anonymous):

what are the answers

OpenStudy (anonymous):

a= 400/21, b= 580/21 a= 400/21, b= 20/21 a=580/21, b=29/21 a= 20/21, b= 580/21

OpenStudy (anonymous):

dude no need for Pythagoras

OpenStudy (anonymous):

okay...

OpenStudy (anonymous):

yeah i am sorry i still dont get it..i

OpenStudy (anonymous):

like i read the link but how should I go about setting it up?

OpenStudy (anonymous):

Where there are the lengths of the sides in the pc, substitutes the number you have. gotta go

OpenStudy (anonymous):

okay thanks

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