Question

ABCD is a rectangle of center I.
1°) Place the point L so that AIBL would be a parallelogram.
Prove that AIBL is a rhombus.
2°) Place the point N so that DICN would be a parallelogram.
Prove that (IN) is perpendicular to (DC).
3) Prove that the points L, I and N are collinear.
(Please answer quickly and a serious answer plss and mark u brainlest)​

Answer 1

Answer:

To prove : 5-√3 is irrational

Proof:  

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

Step-by-step explanation: