Posted by Anon on Wednesday, March 14, 2012 at 3:21pm.
The area of a square garden is 242m squared. How long is the diagonal?

Geometry  Steve, Wednesday, March 14, 2012 at 5:29pm
The diagonal of a square of side s is s√2.
so, your side is √242, and the diagonal is √242√2 = √484 = 22m