Question

plzzz solve it guys​

Answer 1

Answer:450

Step-by-step explanation:just do square root

Answer 2

Answer:

$let \: cadets \: be \\ the \: area \: of \: square = 202500 \\ {a}^{2} = 202500 \\ a = \sqrt{202500} \\ a = 450$

So, 450 is the side of the Square and it also shows the number of cadets in a row.