This question asks which solids are prisms, understanding their defining characteristics.
Identify the base shape and check if the cross-section repeats along the length.
Prisms have identical cross-sections along their length. Triangular prisms, cuboids, and cylinders are examples. A sphere is not a prism because its cross-section changes continuously. Calculating prism volumes involves area of base × length. For example, a triangular prism with base area 6 cm^2 and length 10 cm has volume 60 cm^3. Recognising prisms is useful in engineering, architecture, and mathematics. Practice identifying the base and shape type to ensure correct volume formulas are applied.
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