text: please help with trig. for ∆abc: sss, sas, ssa, or aas? please help me with number 13 & 14. i really apreciate the help for this two problems in advance. also the link below is to the actual problems. thanks  http://www.fbixtreme.com/1314.jpg  indicate what situation applies to the given information for ∆abc: sss, sas, ssa, or aas. then, state the method(s) you could use to find the indicated part.  13). β=45°, a=12, c=9; find b.  14). α=40°, β=28°, b=6; find a. 13. sas, use the cosine rule: b2 = a2 + c2 - 2 x a x c x cosb  14. aas, use the sin rule: sina/a = sinb/b = sinc/c  capital letters indicate greek letters and a "2" behind a letter indicates a "squared" in ths anser. hope it's all good!!!