Question

The area of a square field is equal to the area of a rectangle whose length is $18$m and breadth is $15$m. Find the approximate length of the side of the square.

• A. $16.43cm$
• B. $21.16cm$
• C. $10.41cm$
• D. $22.01cm$

Answer 1

Answer: (A)

$16.43cm$

$Letsidelengthofsquare=xthen{x}^2=18\times 15\therefore x=\sqrt{3\times 3\times 2\times 3\times 5}=3\sqrt{30}=3\times 5.477=16.43m\left(approx\right)$