Which solids were studied in earlier classes for surface area and volume?
AFrustums and pyramids
BPrisms of all kinds
CCuboids, cubes, cylinders
DCones and spheres only
Answer & Solution
Correct answer: C. Cuboids, cubes, cylinders
1. Some solids were already familiar before this study.
2. The new work extends to cones and spheres.
3. The earlier ones were cuboids, cubes and cylinders.
_Source: NCERT Class 9 Mathematics, Chapter 13, Surface Areas and Volumes._
Related questions
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