Surface area Surface area is total area of the surface of a three-dimensional object measured in square units. https://en.wikipedia.org/wiki/File:Area_conversion_-_square_mm_in_a_square_cm.png Metric Units – Area 1 square metre = 10 000 square centimetres, cm2 1 hectare = 10 000 square metres, m2 1 square kilometre = 100 hectares, ha 1 square metre = 100 square decimetre, dm2 […]

# Tag: English S

## Supplementary angles

Supplementary angles Supplementary angles are two angles whose sum is 180°. The angles a and b are supplementary angles. Duane Habecker , LicenseCC-BY-SA, GeoGebra Terms of Use SHANKARAPPA G MASABINAL, LicenseCC-BY-SA, GeoGebra Terms of Use […]

## Subtraction

Subtraction Subtraction is the inverse of addition. Subtraction (which is signified by the minus sign −) is one of the four arithmetic operations along with addition, multiplication and division. Subtraction is an operation that represents removal of objects from a group. Example: 5 − 2 peaches, its meaning 5 peaches with 2 taken away, resulting […]