The required area that the sprinkler will cover is 50 square feet. Option C is correct.
As mentioned in the question, a lawn sprinkler spins in a circle. The sprinkler covers a radius of 4 feet.
The surface area of any shape is the area of the shape that is faced or the Surface area is the amount of area covering the exterior of a 3D shape.
Here,
Area of the sprinkler,
= area of the circle
= πr²
= 3.14 × 4²
= 50.24
≈50
Thus, the required area that the sprinkler will cover is 50 square feet. Option C is correct.
Learn more about the surface area here: brainly.com/question/2835293
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Need answer in fraction
Answer:
Step-by-step explanation:
Volume of sphere with 6 meter radius
Volume of sphere with 3 meter radius
Difference between the volume of two sphere