Question

9. The length and breadth of a rectangle are 2.5 m and
1 m respectively. If its length increases by 10%, find
the percentage increase in its area.​

Answer 1

Answer:

The percentage increases its area is 0.25%

Step-by-step explanation:

I hope this will be the answer

Answer 2

Step-by-step explanation:

area of the rectangle is 2.5×1sqcm=2.5 sqcm

length increases by 10%

now the new length is

(2.5+2.5×10/100)cm=(2.5+.25)cm=2.75cm

now area. 2.75 sqcm

area increases(2.75-2.5)sqcm=.25sqcm

so percentage increase in its area is .25×100/2.5%=10%