Ateacher arranges students in a prayer hall in 13 rows and 19 columns. the arrangements are in a perfect array. find the number of students in a prayer hall

      2

  2 is to go somewhat to the top right of a because it is squared    

v= a h/3

ωєℓℓ ωιтн тнαт ιиfσ

тнє вαѕє ιѕ 30

αи∂ тнє нєιgнтн ιѕ 30

нσρє ι ¢συℓ∂ нєℓρ

ksksfksag;