# mathzzz want answer in simple way

3249 persons are sitting in a cinema hall in such a manner that there are as many persons in a row as there are rows in the hall find the number of rows

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1. people=number rows*numberseatsperrow
people= r^2
solve for r.

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2. Let x=number of rows, and
since number of rows = number of persons per row, we have
x*x=3249, or
x=sqrt(3249)
take out your calculator and find x.

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posted by MathMate

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