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How long is the rail? Round your answer tothe nearest tenth.safety rail10 yd90°10 yd

User Jneira
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1 Answer

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We can see that the safety rail is a quarter of circle with radius equals 10yd. So it's lenght is:


l=(\pi\cdot r)/(2)=5\cdot\pi=15.7yd

User Tyronne
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