Question

Any help would be appreciated.​

Answer 1

10.4

Explanation:

cosine rule=
`a^(2)=b^(2) +c^(2) -2bc*cosa`

`(2√(3)) ^(2)=(x+2)^(2) +x^(2) -2(x+2)x*cos60\\12=x^(2) +4x+4+x^(2) -2x^(2) -4x*(1)/(2)\\2x-8=0\\x=4\\Area=(1)/(2)absinc\\ = (1)/(2)*6*4*sin60\\\\ =6√(3)\\=10.4(3 sig.fig)`