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Mathematics 11 Online
OpenStudy (ny,ny):

FD and CB intersect at point A and ET is perpendicular to both FD and CB at A. Which statement is not true? 1. ET is perpendicular to plane BAD 2. ET is perpendicular to plane FAB. 3. ET is perpendicular to plane CAD. 4. ET is perpendicular to plane BAT.

OpenStudy (ny,ny):

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ganeshie8 (ganeshie8):

hint : An unique plane passes through two intersecting lines

ganeshie8 (ganeshie8):

You need to visualize the diagram in 3D... @NY,NY

ganeshie8 (ganeshie8):

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