Q45 of 50 Page 220

Fill in the blanks

x = a represent a plane parallel to ________.

yz plane

Explanation:


∵ x = a ⇒ x-coordinate is constant.


∵ x-coordinate of a point gives its perpendicular distance from yz plane.


So, every point on the plane x = a lies at a fixed distance from yz plane.


This means x = a is a plane parallel to yz plane.


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Fill in the blanks

The plane parallel to yz - plane is perpendicular to ________.

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