Area of Cross Sections

A hemisphere is cut along the plane shown. Which cross-section is created?

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What shape does the horizontal cross-section make?

• Triangle

• Rectangle

• Circle

• Trapezoid

If you were to slice this rectangular prism PARALLEL to its base, what 2D shape would you see?

If you were to slice this cube PARALLEL to its base, what 2D shape would you see?

If you were to slice this cube PERPENDICULAR to its base, what 2D shape would you see?

If you were to slice the trapezoidal prism PARALLEL to its base, what 2D shape would you see?

If you were to slice the trapezoidal prism PERPENDICULAR to its base, what 2D shape would you see?

If you were to slice this rectangular prism PERPENDICULAR to its base, what 2D shape would you see?

If you were to slice this triangular prism PERPENDICULAR to its base, what 2D shape would you see?

What is the area of the cross-section if the diameter of the base is 6 feet and the height of the cylinder is 8 feet.

• 24 ft²

• 48 ft²

• 8 ft²

• 4 ft²