Question

answer the question above​

Answer 1

n = 1/2

According to question ∆ABC is isosceles triangle.

This means,

AB = BC

Using Pythagoras theorem :-

AB² + BC² = AC²

since AB = BC

so,

2AB² = AC²

AB² = AC²/2

on comparing AC²/2 with n.AC²

AC²/2 = nAC²

So, n = 1/2

Hope it helps you ✨