6. If the length of the rectangle is increased by 40% and its breadth is decreased by 40%, what will
be the percentage change in its perimeter?
Answers
Answered by
1
Answer:
let length be 1000
breadth be 100
so perimeter is 2*(100+ 1000)= 2200
on changing parameters,
new length is 1400
new breadth is 60
new perimeter is 2*(1400+60)= 2920
so change is
2920- 2200= 720
720/2200*100= 32.72%
Step-by-step explanation:
Similar questions