What solid is generated when the semicircle is rotated about the line?
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Answer:
1884 flowers
Step-by-step explanation:
Radius of the garden=150 ft
To determine the number of flowers needed to surround the circular garden, we first find the perimeter.
Since the flowers are spaced every 6 in, we need to convert from inch to feet because we cannot divide different units.
Now, 12 Inch =1 Feet
Therefore, 6 Inch =0.5 feet
To determine the number of flowers, we simply divide the perimeter by 0.5 ft.
Number of flowers=942/0.5
=1884 flowers