1m∥n,即：a/ainB=b/sinA即：asinA=bsinB,即：a^2=b^2,即：a=b故：A=B=π/32m⊥p,即：m·p=(a,b)·(b-2,a-2)=ab-2a+ab-2b=2ab-2a-2b=0即：a+b=abS=(1/2)absinC=√3ab/4=√3即：ab=4,即：a+b=4c^2=a^2+b^2-2abcosC=a^...