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Find the approximate area of an irregula...

Find the approximate area of an irregular lamina of which boundary line is drawn on the graph paper shown in Fig.

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`21cm^2`
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ICSE-PHYSICAL QUANTITIES AND MEASUREMENT-TEST YOURSELF (NUMERICALS)
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  10. A cubical tank of side 1 m is filled with 800 kg of a liquid. Find th...

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  13. The mass of a lead piece is 115 g. When it is immersed into a measurin...

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  14. The density of copper is 8.9 g cm^(-3) . What will be its density in ...

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