What shape is generated when rectangle ABCD is rotated around the horizontal line through D and A?
Mathematics · Middle School · Wed Jan 13 2021
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A rectangle is given with ABCD as its vertices. This rectangle is rotated around the horizontal line through D and A.
Line joining points D and A is the side DA of rectangle about which the rectangle is rotated.
After rotation we will get a shape of cylinder which will have radius equal to side AB or CD and height of the cylinder will be side BC or DA.
Cylinder is the answer.