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A sprinkler rotates back and forth from point A to point B. The water reaches 8 meters from the base of the sprinkler. What is the length of the arc AB, rounded to the nearest tenth of a meter? Use 3.14
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A sprinkler rotates back and forth from point A to point B. The water reaches 8 meters from the base of the sprinkler. What is the length of the arc AB, rounded to the nearest tenth of a meter? Use 3.14 for it pi.

A sprinkler rotates back and forth from point A to point B. The water reaches 8 meters-example-1
User Gustavo Passini
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1 Answer

2 votes

Length of the given arc can be given as,


\begin{gathered} l=r\theta \\ l=8*150*(\pi)/(180) \\ l=(8*15*\pi)/(18) \\ l=20.94 \end{gathered}

Hence, option D is correct.

User Nikhil Gupta
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6.6k points
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