If x is a rational number and y is an irrational number then
ABoth x + y and xy are necessarily irrational.
BBoth x + y and xy are necessarily rational.
Cxy is necessarily irrational, but x + y can be either rational or irrational
Dx + y is necessarily irrational, but xy can be either rational or irrational.
Which of the following figures (not drawn to scale) has the least perimeter?
why 36x2 , it should be 36x1