The length of a rectangle is 5 units and its width is square root of 5 unit. Is the area of the rectangle rational or irrational? Justify your answer.

Question

anonymous · Answer

@hartnn

hartnn · Answer

know the formula for area of rectangle ?

anonymous · Answer

L *W

hartnn · Answer

yes.
so the area is $5\sqrt5$
is that rational or irrational ?

anonymous · Answer

im guessing irrational? im sorry if im wrong

hartnn · Answer

irrational is correct, because sqrt 5 is irrational!

and for the justification, irrational no. times rational number = irrational number, thats wht area will also be irrational no. as one of the side is irrational

hartnn · Answer

you seem to be new here,
$\Huge \mathcal{\text{Welcome To OpenStudy}\ddot\smile} $

anonymous · Answer

Yes I am :) And thank you so much

anonymous · Answer

You will be the first person I fan lol

hartnn · Answer

thanks for that :)