Question

What is Square Of 19

Answer 1

$\huge\underline\mathrm\purple{Answer}$

19²

361

Answer 2

Answer:

$\huge\underline\bold\orange{ANSWER}$

=(10+9)+(10+9)

=10(10+9)+9(10+9)

=100+90+90+81

=280+81

=361

19²=361