Question

find the area of rectangles with the following pair of monomials as their length and breadth 4xy , 5yz​

Answer 1

Answer:

Area of rectangle, A=Length×Breadth

(i) A=l×b=p×q=pq  

(ii) A=l×b=5n×10m=50mn

(iii) A=l×b=20x  

2

×5y  

2

=100x  

2

y  

2

 

(iv) A=l×b=4x×3x  

2

=12x  

3

 

(v) A=l×b=3mn×4np=12mn  

2

p

Answer 2

Answer:

Length of the rectangle = 4xy

Breadth of the rectangle = 5yz

Area of rectangle = Length × Breadth = (4xy) × (5yz) = 20xy²z