QQuestionMathematics
QuestionMathematics
Give some examples of real-life objects that are solids of revolution.
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Step 1: A solid of revolution is a three-dimensional shape formed by rotating a two-dimensional shape around an axis.
In real life, there are several examples of solids of revolution.
Step 2: One common example is a cylinder, which is formed by rotating a rectangle around an axis parallel to one of its sides.
For instance, a tin can or a water bottle can be considered as solids of revolution. \text{Cylinder formula:} \quad V = \pi r^2 h
Final Answer
Real-life objects that are solids of revolution include cylinders (tin cans, water bottles), cones (ice cream cones), spheres (soccer balls, marbles), and tori (tires, lifebuoy rings).
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