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The shaded region below represents a triangular “flag.” To help you visualize this, use the .

Horizontal segment labeled pole, with shaded triangle above segment, with its base sharing the left half of the segment, triangle labeled as follows: bottom, 24, left, 20, right, 20.

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

  2. Calculate the volume of the rotated flag.

    Use the Pythagorean Theorem (or special right triangles) to find the radius of the cone.

Use the eTool below to visualize the flag.
Click the link at right for the full version of the eTool: Calc 1-188 HW eTool