Answer:
452 ft.²
Step-by-step explanation:
πr² = 3.14 x 12²
= 452.16
= 452 ft.² (to the nearest square foot)
Answer:
Second option: False
Step-by-step explanation:
You need to use the following identity:

Let be "x" the lenght of the buildings's shadow.
(Lenght of building's shadow)
You can observe in the figure that:

Substitute these values into
and solve for ""x":

Therefore, the length of its shadow IS NOT 12.94 feet.
put it in for u https://www.symbolab.com/solver/roots-calculator/f%5Cleft(x%5Cright)%3D%5Cleft(x-2%5Cright)%5E%7B2%7D%2B4
Answer:
True
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Given
x³ + 3x² + 3x + 9 ( factor first/second and third/fourth terms )
= x²(x + 3) + 3(x + 3) ← factor out (x + 3) from each term
= (x² + 3)(x + 3) → C