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Mathematics 19 Online
OpenStudy (anonymous):

Tan(21)=x/3

OpenStudy (anonymous):

you multiply both sides by three after you find tan(21)

OpenStudy (anonymous):

yeah, that's 1.151 then what next

OpenStudy (anonymous):

that's it! you found x!

OpenStudy (anonymous):

but that's not one of the choices 0_o

OpenStudy (anonymous):

what are the choices?

OpenStudy (anonymous):

find the area of a given triangle it says.

OpenStudy (anonymous):

9.13squared. 3.49squared. and 1.73squared

OpenStudy (anonymous):

any ideas?

OpenStudy (anonymous):

so we have to find the area?

OpenStudy (anonymous):

of a triangle yea

OpenStudy (anonymous):

is there a picture of the triangle i can see?

OpenStudy (anonymous):

I could draw it

OpenStudy (anonymous):

okay, do that

OpenStudy (anonymous):

|dw:1392946849801:dw|

OpenStudy (anonymous):

Tan (c) =ab/bc

OpenStudy (anonymous):

any ideas?

OpenStudy (anonymous):

so we got that x is 1.15 right? now we have to find the area, which can be used with the formula 1/2bh

OpenStudy (anonymous):

mhm

OpenStudy (anonymous):

b= 1.15 and h=3, so plug it into the equation and solve it

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