Question

The area of a square garden is 128 m². How long is the diagonal?

Answer 1

than now you know the length of sides of the square so what is x=8sqrt2

and you know that for calculi the diagonal just you need using pythagira"s theorem

do you know it ?

Answer 2

d^2 =x^2 +x^2

d^2 =2x^2

d = xsqrt2

can you calculi now the length of diagonal ?

Answer 3

x = 8sqrt2 so just substitute this value of x in place of x in this equation of d

d=xsqrt2 so x=8sqrt2

what will get - ? try it please - i will help you - please collaborate