Class 9 NCERT • Ganita Manjari Part II (New Syllabus)
Ch 12: Space and Volume — Measurement of 3D Objects
Select a topic or study module below to explore 3D shapes, surface areas and volumes of cubes, cuboids, cylinders, cones, spheres, composite objects, capacity conversions, and comprehensive textbook solutions.
Topic 01 • Intro to 3D Shapes
Understanding Faces, Edges, Vertices, and the Transition from 2D Area to 3D Space
Topic 02 • Cubes & Cuboids
Calculating Total Surface Area, Lateral Surface Area, and Volume Using L, B, and H
Topic 03 • Cylinders
Exploring Curved Surface Area, Total Surface Area, and Volume Formulas for Cylinders
Topic 04 • Cones
Studying Slant Height, Base Radius, Curved Surface Area, and Cone Volume Relationships
Topic 05 • Spheres & Hemispheres
Investigating Surface Areas and Volumes of Solid Spheres and Hollow/Solid Hemispheres
Topic 06 • Composite 3D Objects
Combining Shapes Like Tents, Silos, and Toys to Find Total Surface Areas and Volumes
Topic 07 • Volume Conversions
Converting Between Cubic Centimeters, Cubic Meters, Liters, and Milliliters
Module 08 • Solutions & Quiz