Question

TheratioofAreasoftwocirclesis225:256,then what is the ratio of their circumference ?​

Answer 1

Answer:

15:16

Step-by-step explanation:

Let the sides of the two squares be x and y respectively. Then,

Reqd. ratio of areas  

y  

2

 

x  

2

 

​

=  

256

225

​

 

⇒  

y  

2

 

x  

2

 

​

=  

16  

2

 

15  

2

 

​

 

⇒  

y

x

​

=  

16

15

​

 

Ratio of perimeter  

=4x:4y

=  

4y

4x

​

 

=  

y

x

​

 

=15:16