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4 votes
Any help would be appreciated.​

Any help would be appreciated.​-example-1

1 Answer

7 votes

Answer:

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)

User Kamil Jopek
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