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?

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

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

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

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

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