G3.4 In the figure below, the area of each small triangle is 1 . Determine the value of the area of the triangle $A B C$.
Total number of equilateral triangles $=24$ Area of $A B C$ $=24-\frac{1}{2} \cdot 4-\frac{1}{2} \cdot 6-1-\frac{1}{2} \cdot 4-6$ $=10$