Question

prove that (a,a) ,(-a,-a) and (-a root 3 ,a root 3) are vertical of an equilateral triangle

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Answer 1

The given points are let

A(a, a), B(- a, - a) and C(- a√3, a√3)

as AB = BC = CA = 2√2a

⇒ ΔABC is an equilateral triangle.

Hence proved.

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