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The answer is B: The area covered by all the sprinkler heads together is approximately 169.64 ft2.
The area covered by all the sprinkler heads together is approximately 169.61 square feet. Then the correct option is B.
What is the area of a circle?
Let r be the radius of the circle. Then the area of the circle will be
A = πr² square units
The irrigation design for a new backyard is shown with six sprinkler heads and two walkways.
The value of radius is 3 feet.
Then the total area of circles will be
A = 6πr²
A = 6 x π x 3²
A = 6 x 9 x π
A = 169.61 square feet
Then the correct option is B.
The missing diagram is attached below.
Learn more about area of a circle here:
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