UCSS Math II 6.5.3 Example 2

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.
This applet is provided by Walch Education as supplemental material for the UCSS Secondary Math II program. Visit www.walch.com for more information on our resources.