UCSS Math II 6.5.3 Example 2

Author:
Walch Education
Topic:
Area, Circle
For a hemisphere of radius , determine a formula for the cross-sectional area created at height by the horizontal plane shown in the diagram.
  1. Determine a formula for the radius of the circular cross section created at height of the hemisphere.
  2. Use the resulting value for to find a formula for the area of the circular cross section shown in the diagram.
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