(3a-4b)²
= 9a² - 12ab + 16b²
Answer:
570
step-by-step explanation:
assuming you're talking about a 2-dimensional rectangle,
Area = base x height
base = 38
width = 15
Area = 38 * 15
Area = 570 ft
570ft * (1 yard/3ft) = 190 yards
Answer:
55 degrees
I answered the question on AoPS and it said it was correct.