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in Mathematics by (57.5k points)

The points A(4, 2, 4), B(10, 2, −2) and C(2, 0, −4) are the vertices of 

(A) an isosceles, but not an equilateral triangle 

(B) an isosceles and a right-angled triangle 

(C) right-angled triangle only 

(D) an equilateral triangle

1 Answer

+1 vote
by (63.7k points)
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Best answer

Correct option is (d) an equilateral triangle

Explanation : 

We have

Since AB = BC = CA, the triangle is equilateral.

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