NCERT Solutions Class 7th Math Chapter 13 Visualising Solid Shapes Exercise 13.3

May 14, 2022

NCERT Solutions Class 7th Math Chapter 13 Visualising Solid Shapes

Textbook	NCERT
Class	7^th
Subject	Mathematics
Chapter	13^th
Chapter Name	Visualising Solid Shapes
Category	Class 7th Mathematics
Medium	English
Source	Last Doubt

NCERT Solutions Class 7th Math Chapter 13 Visualising Solid Shapes

Chapter – 13

Visualising Solid Shapes

Exercise 13.3

Question 1.
What cross-sections do you get when you give a
(i) vertical cut
(ii) horizontal cut to the following solids?
(a) A brick
(b) A round apple
(c) A die
(d) A circular pipe
(e) An ice cream cone.

Solution:

Solids	Shape of cross-section of vertical cut	Shape of crosssection for horizontal cut
(a) A brick	Rectangle	Rectangle
(b) A round apple	Circle	Circle
(c) A die	Square	Square
(d) A circular pipe	Circle	Rectangle
(e) An ice cream apple	Triangle	Circle

(a) A brick

(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,

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

(c) A die

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

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

(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,

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

(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,

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

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