Identify which 3D shape has two circular faces.
Look for two parallel circular faces and one curved side.
A cylinder has two identical circular faces (top and bottom) and one curved lateral surface. Recognizing these properties helps distinguish cylinders from cones and spheres. Understanding the structure is important for calculating surface area and volume. Practice sketching cylinders and labeling their faces to reinforce knowledge. Applying these observations to problems involving nets and real-life objects (like cans) is helpful for geometric reasoning.
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