Mathematics is the science of numbers as Aristotle defined. Here we have collected all the important mathematics definitions. Browse these definitions or use the Search function for a specific definition.
Math Definitions
There are currently 2 definitions in this directory beginning with the letter R.
Radian
The angle made by taking the radius and wrapping it round the circle.
One Radian is (180/π) degrees, which is about 57.2958 degrees.
One Radian is (180/π) degrees, which is about 57.2958 degrees.
Ratio
A ratio shows the relative sizes of two or more values.
Ratios can be shown in different ways:
• using the ":" to separate example values
• using the "/" to separate one value from the total
• as a decimal, after dividing one value by the total
• as a percentage, after dividing one value by the total
Example: if there is 1 boy and 3 girls you could write the ratio as:
1:3 (for every one boy there are 3 girls)
1/4 are boys and 3/4 are girls
0.25 are boys (by dividing 1 by 4)
25% are boys (0.25 as a percentage)
Ratios can be shown in different ways:
• using the ":" to separate example values
• using the "/" to separate one value from the total
• as a decimal, after dividing one value by the total
• as a percentage, after dividing one value by the total
Example: if there is 1 boy and 3 girls you could write the ratio as:
1:3 (for every one boy there are 3 girls)
1/4 are boys and 3/4 are girls
0.25 are boys (by dividing 1 by 4)
25% are boys (0.25 as a percentage)
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Comments by adwitiya