Cross Sections of Cylinders

Drag the blue points to see the different sections of the cylinder.

Anthony Or. GeoGebra Institute of Hong Kong

Move the Rotate 1 slider to the left, labeled Horizontal and answer Question 1 below.

1. What is the shape of the cross section formed by slicing the cylinder horizontally?[br]

Oval (A rounded shape that is longer than it is wider). Circle (All points on the outside edge are equal distance from the center point) Rectangle (2 sets of parallel sides, 4 90-degree angles)

Move the Rotate 1 slider to the right, labeled Vertical and answer Question 2 below.

2. What is the shape of the cross section formed by slicing the cylinder vertically?[br]

Oval (A rounded shape that is longer than it is wider). Circle (All points on the outside edge are equal distance from the center point) Rectangle (2 sets of parallel sides, 4 90-degree angles)

Move the Rotate 1 slider to the middle, halfway between Vertical and Horizontal and answer Question 3 below.

3. What is the shape of the cross section formed by slicing the cylinder diagonally?[br]

Rectangle (2 sets of parallel sides, 4 90-degree angles) Oval (A rounded shape that is longer than it is wider). Circle (All points on the outside edge are equal distance from the center point)

Cross Sections of Cylinders

Move the Rotate 1 slider to the left, labeled Horizontal and answer Question 1 below.

Move the Rotate 1 slider to the right, labeled Vertical and answer Question 2 below.

Move the Rotate 1 slider to the middle, halfway between Vertical and Horizontal and answer Question 3 below.

Information: Cross Sections of Cylinders