Respuesta :
Answer:
- C. 81x² - 4y²
Step-by-step explanation:
The shaded region is the difference of the area of square with side 9x and the area of square with side 2y:
- A = (9x)² - (2y)² = 81x² - 4y²
Correct choice is C
Answer:
Step-by-step explanation:
The shaded region is the difference of the area of square with side 9x and the area of square with side 2y:
Correct choice is C