In the figure below, Ken's company has placed sprinkler heads at the center of the two small semicircles. The radius
1 answer:
Answer:
The answer is below
Step-by-step explanation:
The sprinklers have a radius of 5 ft each. Since the larger semicircle (entire lawn) has a diameter that is formed from the 2 semicircles, therefore the radius of the larger semicircle is 10 ft.
Area that wont be watered can be gotten by subtracting the area of the two smaller circles from the area of larger semicircle.
Area that wont be watered = 1/2(π * 10²) - 2[1/2(π * 5²)] = 50π - 25π = 25π ft²
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Answer and Step-by-step explanation:
The circumference formula for a circle is:
C =
Plug 35 in for r (radius) and solve.
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So, approximately 219.9 is the answer.
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