Question

let the area of a square is 9 CM square what would be the new area if its side is reduced by 1 cm

Answer 1

area of sq.earlier =8cm sq.
side=3cm
a/q
side=3-1=2cm
area=(2)^2=4cm sq.

Answer 2

Let the side of the square be a
${a}^{2} = 9$
$a = 3$
$the \: new \: side \: a \: - 1 = 2$
$the \: area \: of \: new \: square \: \\ is \: 4 {cm}^{2}$
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