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Mathematics, 01.04.2022 09:10 morgan4411
If the radius is 21cm and the angle at center of the circle is 140° then the length of arc is ...
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Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.
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If the radius is 21cm and the angle at center of the circle is 140° then the length of arc is ......
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