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Ratio

The ratio of two terms ‘x’ and ‘y’ is denoted by x : y.
 
Compound ratio :
The compound ratio of a : b and c : d is Description: 770.png, i.e., ac : bd.
  • In any 2-dimensional figures, if the corresponding sides are in the ratio x : y, then their areas are in the ratio x2 : y2.
  • In any two 3-dimensional figures, if the corresponding sides are in the ratio x : y, then their volumes are in the ratio x3 : y3.
  • If the sum of two numbers is A and their difference is a, then the ratio of numbers is given by A + a : A – a.




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