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## Comment on

Circle in the x-y Plane## We may also solve it like:

There is formation of square with side length 4,

So diagonal =[(2)^1/2] * side

= 4 * [(2)^1/2]

= 4 * 1.41

= 5.64 ;5.64 > 5

## Great approach!

Great approach!

## Can we assume like both the

## That's a perfectly valid

That's a perfectly valid approach.

## can we use the 45-45-90

## That's a perfectly valid

That's a perfectly valid solution. Nice work!