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If the coordinates of the vertices of a ...

If the coordinates of the vertices of a triangle ABC be A(-1,3,2), B(2,3,5), C(3,5,-2) then `hat A =`

A

`45^(o)`

B

`60^(o)`

C

`90^(o)`

D

`30^(o)`

Text Solution

Verified by Experts

The correct Answer is:
C
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HIMALAYA PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
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  6. The plane x/2+y/3+z/4 = 1 cuts the axes A, B, C then the area of the t...

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  10. The equation of a line of intersection of planes 4x+4y-5z=12 and 8x+12...

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  14. The point of intersection of the line (x-5)/3 = (y-7)/(-1) = (z+2)/1 ,...

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  15. The angle between the planes x+2y+2z =3 and -5x+3y+4z = 9 is

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  16. The distance of the point A(2,3,4) from x-axis is

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