Find the side $ a $ of a square if area $A = 8\, \text{cm}$.
Answer
$2 \sqrt{ 2 }$
Explanation
To find side $ a $ use formula:
After substituting $A = 8\, \text{cm}$ we have:
$$ A = a^2 $$ $$ a^2 = 8\, \text{cm} $$ $$ a = \sqrt{ 8\, \text{cm} } $$ $$ a = 2 \sqrt{ 2 } $$This page was created using
Square Calculator