Home » Class 7 Maths » NCERT Solutions for Class 7 Maths Chapter 15 – Visualising Solid Shapes

NCERT Solutions for Class 7 Maths Chapter 15 – Visualising Solid Shapes


Exercise 15.1 : Solutions of Questions on Page Number : 281








Exercise 15.2 : Solutions of Questions on Page Number : 285








Exercise 15.3 : Solutions of Questions on Page Number : 288






Exercise 15.4 : Solutions of Questions on Page Number : 289




Question 2 : 

Here are the shadows of some 3−D objects, when seen under the lamp of an overhead projector. Identify the solids (s) that match each shadow. (There may be multiple answers for these!)

 Answer : The given shadows can be obtained in case of the following objects.

i . Compact disk

ii .  A dice

iii . Triangular pyramid

iv . Note Book


Q3 :  Examine if the following are true statements:
(i) The cube can cast a shadow in the shape of a rectangle.
(ii) The cube can cast a shadow in the shape of a hexagon.

Answer :
A cube can cast shadow only in the shape of a square. Therefore, any other shapes are not possible.


 

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