Question

Find the perimeter of the square if its diagonal is 10 2 cm. ​

Answer 1

Let the side of square be=a

Let diagonal be 10√2

=√2a=10√2

=a=10√2(√2)

=a=10 cm................(i)

P=4a

from eq (i)

4×10=40 cm

${\huge{\fcolorbox{black}{PINK}{♡ハンジュフイ♡}}}$