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 Area of rectangle (A) = length(l) ✖ breadth(b)                                A=l ✖ b       Area of square (A) = length ✖   length                             A= l² Area of circle (A) = π ✖ (radius)² [  π =  𝟐𝟐 / 𝟕 ]                                   A = πr²

Area

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Measurement of Mass

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What is mass?

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                                                      The quantity of matter contained in a body is called mass.The Si unit of mass is kilogram(kg).

Irregular object

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Regular Object.

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Regular and Irregular object

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Measurement of spherical object.

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