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If triangleABC is right angled at B , wh...

If `triangleABC` is right angled at B , where A(5,6,4), B(4,4,1) and C(8,2,x) , then find the value of x.

A

0

B

-1

C

1

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
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NIKITA PUBLICATION-THREE DIMENSIONAL GEOMETRY -MULTIPLE CHOICE QUESTIONS
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  2. The acute angle between the vectors bar(AB) and bar(CD), where A-=(1,2...

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  3. If triangleABC is right angled at B , where A(5,6,4), B(4,4,1) and C(8...

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  4. If Delta ABC is right angled at A, where A-=(4, 2, 3), B-=(3, 1, 8) an...

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  5. If DeltaABC, if A-=(3,2,6), B-=(1,4,5) and C-=(3,5,3), then m angle...

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  6. If A (0, 7, 10), B(-1, 6, 6) and C(-4, 9, 6) are the vertices of Delta...

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  7. If bar a, barb, barc are three mutually perpendicular vectors of equal...

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  8. The angle between the lines whose direction cosines satisfy the equ...

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  9. Find the direction cosines of the two lines which are connected by ...

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  10. Find the acute angle between the two straight lines whose direction co...

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  11. The direction cosines l, m and n of two lines are connected by the rel...

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  12. If the direction ratio of two lines are given by 3lm-4ln+mn=0 and l+2m...

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  13. The angle between the lines whose direction cosines l, m, n satisfy t...

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  14. Find the angle between the lines whose direction cosines are given by ...

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  15. Direction ratios of two lines satisfy the relations 2a-b+2c=0 and ab+...

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  16. IF the direction ratios of two vectors are connected by the relations ...

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  17. The angle between diagonal of a cube and diagonal of a face of the c...

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  18. Let l(1),m(1),n(1),l(2),m(2),n(2) and l(3),m(3), n(3) are direction co...

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  19. The direction cosines of a line equally inclined to three mutually per...

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  20. Find the direction cosines of the two lines which are connected by ...

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