Question

Find the area of a rectangular object which has a length of √180 inches and a width of √125 inches.

Answer 1

Area = length X width
\[=\sqrt{180}\times \sqrt{125}\]
\[=\sqrt{180\times125}\]
\[=\sqrt{9\times4\times25\times25}\]
\[=3\times2\times5\times5\]
\[=150\]