Algebraic Expressions and Identities Exercise 9.2
NCERT solutions for Class 8 Maths Algebraic Expressions and Identities
NCERT Solutions for Class 8 Maths Algebraic Expressions and Identities
Class –VIII Mathematics (Ex. 9.2)
NCERT SOLUTION
1. Find the product of the following pairs of monomials:
(i) 
(ii) 
(iii) 
(iv) 
(iv) 
Ans.
(i) 
= 
= 
(ii)
= 
= 
(iii) 
= 
= 
(iv)
=
= 
(v)
= 
= 0
NCERT Solutions for Class 8 Maths Exercise 9.2
2. Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively:
Ans.
(i) Area of rectangle
= 
= 
sq. units
(ii) Area of rectangle
=
= 
= 
sq. units
(iii) Area of rectangle =
= 
= 
sq. units
(iv) Area of rectangle =
= 
= 
sq. units
(v) Area of rectangle =
= 
= 
sq. units
NCERT Solutions for Class 8 Maths Exercise 9.2
3. Complete the table of products:
(i)
Ans.
(i)
NCERT Solutions for Class 8 Maths Exercise 9.2
4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively:
(i) 
(ii) 
(iii) 
(iv) 
Ans. (i) Volume of rectangular box
= 
= 
cubic units
(ii) Volume of rectangular box
= 
= 
cubic units
(iii) Volume of rectangular box
= 
= 
cubic units
(iv) Volume of rectangular box
= 
= 
cubic units
NCERT Solutions for Class 8 Maths Exercise 9.2
5. Obtain the product of:
(i) 
(ii) 
(iii) 
(iv) 
(v) 
Ans.
(i) 
= 
(ii) 
= 
= 
(iii) 
= 
(iv)
=
(v) 
= 