Question

If 3 points (2,0), (3,6).(-3, y) forms a
equilateral triangle then y equals?​

Answer 1

Step-by-step explanation:

Correct option is

D

3

From given, we have,

A(0,0),B(3,

3 ),C(3,λ)

Since the triangle is equilateral, we have

AB 2 =AC 2(3−0) 2+( 3 −0) 2 =(3−0)

2 +(λ−0)

2⇒( 3−0) 2 =(λ−0) 2

∴λ= 3

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