Ex 11.1, 4
Fill in the blanks
(i) The x-axis and y-axis taken together determine a plane known as_______
The x-axis and y-axis taken together determine a plane known as XY Plane
(ii) The coordinates of points in the XY-plane are of the form _______.
If a point is in XY plane, then its z-coordinate is 0.
So, Coordinates are (x, y, 0)
The coordinates of points in the XY-plane are of the form (x, y, 0).
(iii) Coordinate planes divide the space into ______ octants.
Coordinate planes divide the space into eight octants.

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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