If we take both sides of the equation
and <em>multiply either expression by 3</em>, the equality becomes

Multiplication of both sides of an equality by the same number keeps the equality true, and we call this property the multiplication property of equality.
If you're only counting the smallest triangles, then 8.
If you're counting all possible triangles including triangles made of other triangles, then 16. Each diagonal gives 2, the combined diagonals give 4, and the unit triangles give 8 for a total of 2 + 2 + 4 + 8 = 16.
Answer:
286 cubes
Step-by-step explanation:
Find the area by multiplying the fractions. You get 71 1/2. Divide the area by 1/4 that determines your answer.