CLASS 7 MATH NCERT SOLUTIONS FOR CHAPTER – 15 VISUALIZING SOLID SHAPES EX – 15.3

Visualizing Solid Shapes

1. What cross-sections do you get when you give a

(i) vertical cut (ii) horizontal cut to the following solids?

(a) A brick

Solution:-

The cross-section of a brick when it is cut into vertically is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 51

The cross-section of a brick when it is cut into horizontally is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 52

(b) A round apple

Solution:-

The cross-section of a round apple when it is cut into vertically is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 53

The cross-section of a round apple when it is cut into horizontally is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 54

(c) A die

Solution:-

The cross-section of a die when it is cut into vertically is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 55

The cross-section of a die when it is cut into horizontally is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 56

(d) A circular pipe

Solution:-

The cross-section of a circular pipe when it is cut into vertically is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 57

The cross-section of a circular pipe when it is cut into horizontally is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 58

(e) An ice cream cone

Solution:-

The cross-section of an ice cream when it is cut into vertically is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 59

The cross-section of an ice cream when it is cut into horizontally is as shown in the figure below,

NCERT Solutions for Class 7 Maths Chapter 15 Visualising Solid Shapes Image 60

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