Question

14. The length of a rectangle is reduced to its one-third
and its breadth is increased three times. Find the new
perimeter and the new area.​

Answer 1

Answer:

perimeter= (2l÷3)+6b

Area= lb (remais the same)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let the length be l and breadth be b .

So, new length = l/3

new breadth 3b

perimeter =2(l+b )

= 2( l/3 + 3b)

=2

_ ( l+9b)

3