First slide

Introduction to 3-D Geometry

Question

Z is the foot of the perpendicular drawn from a point R(3, 4,5) on the xy -plane. The coordinates of point L are

Easy

A

(3, 0, 0)
B

(0, 4,5)
C

(3, 0, 5)
D

None of these

Solution

Since, in xy-plane, z-coordinate is zero. Hence, the coordinate of the foot of the point L are (3,4,0).

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