ICSE Class 6 Answered
Define:
One metre
One kilogram
Surface area.
Asked by Topperlearning User | 22 Apr, 2015, 02:35: PM
Expert Answer
- One metre: It is defined as the distance between two fine lines engraved on a platinum-irridium bar kept at International Bureau of Weights and Measures in Paris maintained at 0oC.
- One kilogram: It is defined as the mass of a cylinder of platinum-irridum alloy kept at International Bureau of Weights and Measures in Paris.
- Surface area: The surface area of a plane figure is the measure of the surface enclosed by its boundary. The S.I. unit is square metre (m2).
Answered by | 22 Apr, 2015, 04:35: PM
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