Cross Sections
Warm Up
On a separate piece of paper, try to draw a
triangle with side lengths of 3 centimeters and 6
centimeters, and an included angle of 120°.
Determine whether the given segments and
angle produce a unique triangle, more than one
triangle, or no triangle.
Is it possible to have a circular cross
section in a right rectangular prism?
• The figure is a pyramid with a square base.
• Is it possible for a cross section of the pyramid
to have each shape?
Square?
Rectangle?
Triangle?
Circle?
Trapezoid?
• Describe and compare the cross sections
created when two horizontal places intersect a
right rectangular pyramid.