Question

Find the area of a sauare whose diagonal is 9 rude 2

Answer 1

The answer will be 81 sq unit.

Answer 2

area of square =
${a}^{2}$
where a is side of square
here a= 9√2
area =
$( { 9\sqrt{2} }^{} ) {}^{2} = 162$
sq. mtrs