Question

find the area of square 20 cm
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Answer 1

Answer:

side = 20 cm

area of square = side × side

= 20 × 20

= 400

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Answer 2

$\\ \bf \: Area \: \: of \: \: a \: \: square \: = \: side \: × \: side \: = \: a²$

$\bf \: Here \: , \: a \: = \: 20 \: cm$

$\bf \: a² = 20 × 20 \: \: \: \: \: \: \: \: \: \: \\ \\ \bf = \underline{\underline{ \: 400 \: cm² }}$

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