Question

IN a cinema hall 729 people are seated in such a way that the no of people in a row is equal to no of rows then how many rows of people are there in the hall​

Answer 1

Answer:

Step-by-step explanation:

Let the no. of rows be x

no.of rows= no. of people=x

x×x =729

x²=729

x=√729

x= 27

ans is 27

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Answer 2

Answer:

Step-by-step explanation:

Total no of people = 729

no of people in a row(column) be X

no of rows be Y

no of people in a row is equal to no of rows ⇒ X = Y

Total no of seats = no of rows * no of column

           729           = X * Y

           729           = X²

⇒ X = √729  =  27

(Or)

X²= X * X = 27 * 27 ⇒ X = 27