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In 3-D Cartesian space, the three coordinate planes are the
Axy-plane, yz-plane, zx-plane
Bx-axis, y-axis, z-axis
CABC plane only
DCylindrical, spherical, conical planes
Answer & Solution
Correct answer: A. xy-plane, yz-plane, zx-plane
The xy-, yz- and zx-planes are the three mutually perpendicular planes formed by pairs of coordinate axes. They divide space into 8 octants.
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