Engineering Board Exam Reviewer · Angles and Angle Measurement · medium
A surveyor measures an angle of 3° at a distance of 2 km. Find the arc length subtended, assuming a circular arc of radius 2 km.
- 104.72 m
- 60.00 m
- 150.80 m
- 209.44 m
Answer
A. 104.72 m
Solution
=3°=0.05236 rad. s=r =2(0.05236)=0.10472 km =104.72 m.
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