Question

what is the ratio between water and land patt of the earth?​

Answer 1

Answer:

Since the ratio of land to water on Earth is 1:2, there are 10 sq. meters of land and 20 sq. meters of water on Earth.

Answer 2

Answer: For the whole earth land =  

1+2

1

​  

=  

3

1

​  

,

water=  

1+3

2

​  

=  

3

2

​  

 

∴Forthenorhternhemisphereland=  

5

2

​  

×  

2

1

​  

=  

5

1

​  

 

andwater=  

5

3

​  

×  

2

1

​  

=  

10

3

​  

asnorthernhemisphere=  

2

1

​  

ofwholeearth.

∴southernhemisphere,land=  

3

1

​  

−  

5

1

​  

=  

15

5−3

​  

=  

15

2

​  

 

Water=  

3

2

​  

−  

10

3

​  

=  

30

20−9

​  

=  

30

11

​  

 

∴Requiredratioofland:waterinsouthernhemisphere=  

15

2

​  

:  

30

11

​  

=4:11.