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# NCERT Solutions for Class 8 Maths Exercise 9.2

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NCERT solutions for Class 8 Maths Algebraic Expressions and Identities

## NCERT Solutions for Class 8 Maths Algebraic Expressions and Identities

###### 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

(i)

(ii)

(iii)

(iv)

(v)

Ans.

(i)

=

(ii)  =

=

(iii)

=

(iv)

=

(v)

=

## NCERT Solutions for Class 8 Maths Exercise 9.2

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