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familiar wid SOH-CAH-TOA ?

you are zipping along... now learning trig ?

not really understand but @phi that is in my lessons for geometry

yeah usually they put trig ratios right after similar triangles

i can kinda do it not really well yet

ok ok so watch his videos first :D

|dw:1375894551709:dw|
doesnt really show how to do this @ganeshie8

first go to the 54 degree corner
and stare at the triangle from there

|dw:1375895636780:dw|

|dw:1375895683012:dw|

thats opposite side eh ?

yes thats the opposite

wat about 17, wat is it

the hypotenuse is opposite the 90º angle.
17 in (a) is the hypotenuse

idk what i was thinking it is hyp,

this is really confusing

yes.

ok now can yall check my b and c part when i get the posted

yea sure. remember this - hypotenuse is the longest side. it wont change no matter which corner u go

you get
w= 1/tan(28)

but when i plug in 1/tan(28) the calculator gave me this -3.55328644813

your calculator is in "radian mode"
you want to be in degree mode

change the mode to degrees

ohh ok

1.88

so approx 1.9

yes

horray ok and for the last pne

ty @phi & @ganeshie8 for the help