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Mathematics 19 Online
OpenStudy (anonymous):

how would i find the missing sides

OpenStudy (anonymous):

OpenStudy (wolf1728):

Here's one way the triangle is a 30 60 90 triangle and has sides in the ratio of 1 (opp the 30°) sqrt(3) (opp the 60°) 2 (opp the 90°)

OpenStudy (anonymous):

please explain more

OpenStudy (anonymous):

im specificly looking fior x

OpenStudy (wolf1728):

Here's another way sin (30°) = x / 15 I think you can solve for x right?

OpenStudy (anonymous):

thank you

OpenStudy (wolf1728):

you are welcome

OpenStudy (anonymous):

what about Y

OpenStudy (wolf1728):

Okay the tan (30°) = x / z If you solved for x then you'll be able to calculate z

OpenStudy (anonymous):

so it is 15/2 or like 7.5 over z <the 15/2 is over z two>

OpenStudy (anonymous):

sin60=y/x

OpenStudy (anonymous):

but my teacher wants a square root in their and its just gettin crazy

OpenStudy (anonymous):

i got it

OpenStudy (anonymous):

thanks four ur help though guys

OpenStudy (anonymous):

;)

OpenStudy (anonymous):

now i want to find z but how would i set it up, i would like to be self suficent in doing this

OpenStudy (unklerhaukus):

similar triangles

OpenStudy (anonymous):

i'm a trig fan @UnkleRhaukus :)

OpenStudy (unklerhaukus):

then you should know the ratio of sides will be 1,√3, 2

OpenStudy (anonymous):

@UnkleRhaukus still not helping...

OpenStudy (anonymous):

wolf1728 Best Response Okay the tan (30°) = x / z If you solved for x then you'll be able to calculate z

OpenStudy (wolf1728):

Sure here's that way the Pythagorean Theorem hyp² = side1² + side2² 15² = x² + side2² side2²= (hyp² - x²) side2² = (225 -x²) side2 = Square Root of (225 -x²)

OpenStudy (anonymous):

many amounts of hoopla will be poured into your buckets, thanks, a new q will be here shortly

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