Question

:. If the perimeters of a rectangle and a square are equal and the ratio of the two adjacent sides of the rectangle
is 1 : 2 then the ratio of area of the rectangle and that of the square is.
for class 7th ​

Answer 1

Step-by-step explanation:

Let us assume that 5 -√3 is rational.

Let ,

5 - √3 = r , where "r" is rational

5 - r = √3

Here,

LHS is purely rational.

But on the other hand ,RHS is irrational.

This leads to a contradiction.

Hence,5-√3 is irrational