Step-by-step explanation:
here,,
a=3,b=10,C=120°
c^2=a^2+b^2-2ab cos120°
=(3)^2 +(10)^2 _2 (3)(10)(-1/2) [cos120°=-1/2]
=9+100-(-30)
=109+30
=139
c=(139 )1/2=11.79
c=12
It would be a > 12, move all terms to one side and then solve for x. make sure if you divide then you flip the term
Answer:
2
Step-by-step explanation:
it's literally 6-4 = 2
