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do you know the law of sines?

its something like soh cah toa

you can only use that if you know it's a right triangle

it is soh cah toa

how about a/sinA=b/sinB=c/sinC

but which side is which

i dont know theres no picture

so try soh can toa, do you know what it stands for?
*tip: c usually= hypotenuse

cah sorry not can

well then why is b bigger than c

no i dont understand th esoh cah toa i looked it up and i dont understand

Sine
Opposite
Hypotenuse
Cosine
Adjacent
Hypotenuse
Tangent
Opposite
Adjacent

|dw:1433517992401:dw|

you do not know that this is a right angle so you cannot use the standard trig functions

what im so confused

then what do i use

|dw:1433518102874:dw|
the general triangle is drawn above

how do you solve it

|dw:1433518184180:dw|

uhh can you show me?

im still a little lost

so for a i got 6210?

given that the other 2 sides ar 6, & 9 is that a likely answer?

no thats y im so confused i dont know where im going wrong

b is 9 9^2 is 81

c is 6 6^2 36

ok good
soo ... 2bc cosA =??

cosA is 0.5

2bc cosA= 2916?

2* 9 * 6 * 0.5 =

54

i thought we were supposed to use the squared number like 81 nd 36

a^2 = b^2 + c^2 -2bc cosA
the squared numbers are part of it - but not in the 2bc cos A