<Li> 1 barn = 10 square meters . </Li> <P> The barn is commonly used in describing the cross-sectional area of interaction in nuclear physics . </P> <P> In India, </P> <Ul> <Li> 20 dhurki = 1 dhur </Li> <Li> 20 dhur = 1 khatha </Li> <Li> 20 khata = 1 bigha </Li> <Li> 32 khata = 1 acre </Li> </Ul>

What does the word area mean in math