Question

the lenght and breadth of a rectangle is 5z and 2y respectively. find it's perimeter
​

Answer 1

Answer:

Given,

The length of the room (l)=3x

2

y

3

.

The breadth of the room (b)=6x

3

y

2

.

We know that,

Perimeter of a rectangle =2(l+b)

=2(3x

2

y

3

+6x

3

y

2

)

=6x

2

y

3

+12x

3

y

2

Area of a rectangle =l×b

=3x

2

y

3

×6x

3

y

2

=18x

5

y

5

.