Engineering Board Exam Reviewer · Applications: Area Between Curves · medium
Find the area under one arch of the cycloid x=3(t- t), y=3(1- t).
- 9 π 28.27
- 27 π 84.82
- 18 π 56.55
- 3 π 9.42
Answer
B. 27 π 84.82
Solution
A= 02πy,dx/dt,dt= 02π9(1- t)2,dt=9≤ft(2π+π )=27π.
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