Home > CALC > Chapter 1 > Lesson 1.3.2 > Problem 1-120
1-120.
A flag in the shape of a quarter-circle is shown below. Homework Help ✎
Imagine rotating the flag about its pole and describe the resulting three-dimensional figure. Draw a picture of this figure on your paper. Try this using the 1-120 eTool (Desmos).
Find the volume of the rotated flag.
What three-dimensional figure does this shape remind you of?
What is the formula for the volume of a sphere?
How would you determine the volume of half of a sphere?
Use the eTool below to visualize the rotating flag.
Click the link at right for the full version of the eTool: Calc 1-120 HW eTool