Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two dimensional objects

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Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two dimensional objects: Overview

This topic covers various concepts like Shape of Surface of a Prism, , etc.

Important Questions on Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two dimensional objects

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IMPORTANT

All the sides of a 5 5 cm cube are painted. How many 1 cm cubes can be cut out from it? How many of these cubes will have no painted sides?

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HARD
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All the sides of a 5 cm cube are painted. How many 1 cm cubes can be cut out from it? How many of these cubes will have one painted sides?

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HARD
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All the sides of a 5 cm cube are painted. How many 1 cm cubes can be cut out from it? How many of these cubes will have two painted sides?

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All the sides of a 5 cm cube are painted. How many 1 cm cubes can be cut out from it? How many of these cubes will have three painted sides?

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EASY
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The total surface area of cube 'A' is 128 cm² more than its curved surface area. If each edge of cube 'B' is 75% more than that of cube 'A', then find the sum of the curved surface area and the total surface area of cube 'B'

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Kavya arranged 12 pencil boxes in block as shown below. She used too loops of ribbon to hold them together. Each loop of the riboon goes around four sides of the block.

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How many pencil boxes got the riboon touch exactly two faces?

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IMPORTANT

Aasha makes sweets of various shapes. She packs the sweets in a cardboard boxes. Before folding into boxes, she pastes some shapes on the flaps as shown below.

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Which of these is the boxes could be made by folding the flaps of the cardboard above?