Make a grid on paper with square size of 1 cm by 1 cm. Very carefully trace the outline of your hand on it. Estimate the area covered by your hand by adding the whole covered squares with those that are covered more than half. Compare the outline of your hand with any one of your family member.
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the area covered by hand is 20% of total area
when compared to a person with small had it was 10%
compared to a elder person its 40%
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