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Co - ordinate Geometry 3D Geometry

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Consider the following statements
Assertion (A): The points A(5, –1, 1), B(7, –4, 7), C(1, –6, 10) and D(–1, –3, 4) are the vertices of a rhombus
Reason (R): AB = BC = CD = DA

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but A is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

E. None of the above

View Answer

Correct choice: A

Explanation:

By distance formula
AB = BC = CD = DA = 7
(Not that a square is also a rhombus)

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Eamcet Mathematics Co - ordinate Geometry 3D Geometry

Eamcet Mathematics
Co - ordinate Geometry 3D Geometry