One-fifth 80438

By what percent does the area of ​​a square increase if its perimeter increases by one-fifth?

Correct answer:

p =  44 %

Step-by-step explanation:

a=1 b=a+a/5=1+1/5=56=1.2  S1=a a=1 1=1 S2=b b=1.2 1.2=2536=1.44  p=100 S1S2S1=100 11.441=44%



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: