Question

Find the side of square whose diagonal is 10√2

Answer 1

Let, the side of the square is x
then it's diagonal is x√2
so, x√2=10√2
or, x=10
so the side of the square is 10 unit

Answer 2

Area of square=Area Of Rhombus
Area Of Rhombus=1/2×d1×d2
=1/2×10root2×10root2
=200/2
=100cm^2

Area = 100cm^2 or side^2
Side=10cm