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If A,B,and C be the feet of perpendicula...

If A,B,and C be the feet of perpendiculars from a point P on the XY, YZ, and ZX- planes respectively, then find the coordinates of A , B and C in each of the following where the point P is .
(i) (3, 4, 5) (ii) (-5,3,7)
(iii) (4,-3,-5)

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We know that , on XY - plan z=0, on YZ - plane , x =0 and on ZX plane coordinate of A,B and C are following .
(i) A (3,4,0) B (0,4,5) , C( 3,0,5, 0)
(ii) A (-5,3,0), B (0,3,7),C (-5,0,7)
(iii) A (4,-3,0) , B ( 0,-3,-5) , C (4,0,-5)
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NCERT EXEMPLAR-INTRODUCTION TO THREE DIMENSIONAL GEOMETRY-Fillers
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