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Mathematics 8 Online
ppppp:

Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only)

jhonyy9:

any figure there ? where is this angle y ?

ppppp:

here is the image

1 attachment
jhonyy9:

do you know the law of sin ? so you can write it sin y = ?

ppppp:

opp/hyp

jhonyy9:

exactly

ppppp:

how do i fingure it out

ppppp:

would i do 12/17

jhonyy9:

did you heard about arcsin what is the invers of sin or sin^(-1)

ppppp:

no

jhonyy9:

where you see there 17 ? and you ve said opp/hyp

ppppp:

is rthat it

ppppp:

12/7 i mean

ppppp:

7/12 i mean

jhonyy9:

how you get this ?

ppppp:

opp over hyp

jhonyy9:

you ve said sin y = opp/hyp

ppppp:

7/12

jhonyy9:

yes right

jhonyy9:

sin y = 7/12

ppppp:

do i divide it now

jhonyy9:

but this is the sin of angle y how you calcule the measure of angle y ?

ppppp:

idk

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