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If the projections of the line segment on the plane, plane, plane are respectively, then the projection of on the axis is
detailed solution
Correct option is C
The projection of the line segment AB¯ on the yz-plane is y2−y12+z2−z12=160The projection of the line segment AB¯on the zx-plane is z2−z12+x2−x12=153The projection of the line segment AB¯on the xy-plane is x2−x12+y2−y12=5It implies that x2−x12+y2−y12+z2−z12=169Hence,z2−z12=169−25=144Apply square root on both sidesz2−z1=12 , this is the length of the projection ofAB¯ on z- axis.Talk to our academic expert!
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A line makes angles with the coordinate axes. If then is equal to
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