Question

area of a square Garden is 450 watt it its length from one corner to the opposite corner

Answer 1

area of the square = 450
side of the square = √450 = 15√2
therefore length =
$\sqrt{(15 { \sqrt{2}) }^{2} + ( {15 \sqrt{2}) }^{2} } \\ \sqrt{450 + 450} \\ = \sqrt{900} \\ 30$