Answer:
Step-by-step explanation:
Area of a triangle is Base x Height x
5.5 x 10 x = 27.5
The area of the triangle is 27.5
24.5% are green
The answer is B. 9
Use cosine rule. In this case, I am using SOH and the right triangle:
sin 60°= a ÷ 6 root 3
(6 root 3)(sin 60°)= a
a=9