Question

If the length and breadth of a rectangle are decreased by 10 then what is the percentage does the area decreased

Answer 1

Answer:

hope this helps

Step-by-step explanation:

let length be l

breadth be b

area of the rectangle =lb

according to question,

l+10=new length

b+10=new breadth

new area =(l+10)*(b+10)

=lb+10l+10b+100

19 % area of the rectangle decreases