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1-3.


8 x 6 Flag on a pole In this course, a “flag” is defined as a geometric region attached to a line segment (its “pole”). An example is shown at right. To help you visualize this, use the 1-3 HW eTool (Desmos). Homework Help ✎

  1. Imagine rotating the flag about its pole and describe the resulting three-dimensional figure. Draw a picture of this figure on your paper.

    Pretend you are the pole that is ft tall. Hold out your ( ft) arm
    perpendicular to your body and spin around . Imagine the shape.

    The shape is a cylinder with height of and radius of .

  1. Calculate the volume of the rotated flag.

Use the eTool below to visualize the flag.
Click the link at right for the full version of the eTool:
Calc 1-3 HW eTool