Find the side $ a $ of a rectangle if side $b = 4$ and area $A = 100$.
Answer
$a = 25$
Explanation
To find side $ a $ use formula:
$$ A = a \cdot b $$After substituting $ A = 100 $ and $ b = 4 $ we have:
$$ 100 = 4 \cdot a $$$$ a = \dfrac{ 100}{ 4 } $$$$ a = 25 $$This page was created using
Rectangle Calculator