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Mathematics 11 Online
iosangel:

Find the measure of the side indicated (x). Round to the nearest tenth. https://prnt.sc/115w0u2

iosangel:

I got -6.2 Im not sure what i did wrong

snowflake0531:

-6.2....... do you know the soh cah toa stuff? the trig functions?

iosangel:

This is my work 11*cos 37=11/x*11

iosangel:

then i used a calculator

snowflake0531:

wat..... how would you get to that

snowflake0531:

\[\cos(37) = \frac{ 11 }{ x }\] yes?

iosangel:

yes

snowflake0531:

So then, one way is to put that whole thing into a calculator (i prefer mathway), another way is to straight find x Multiplying x by both sides you get cos(37)(x) = 11 x=11/(cos((37))

snowflake0531:

1 attachment
iosangel:

so 13.8

snowflake0531:

ye

iosangel:

Thanks

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