Question

2)
Which of the following is a rational number?
1) The length of the diagonal of a square with unit side.
The area of a circle with radius.
3) Cube root of 3
4 The length of the hypotenuse of a right angle triangle with the lengths of the other
sides as 3 and 4.​

Answer 1

Hypotension of the triangle which is5

Answer 2

3)1.732

4)base^2+perpendicular^2=hypotenuese^2

=3^2+4^2=h^2

=9+16=h^2

=25=h^2

=5=hypotenuse

sorry for rest questions I Don,t understand