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Last updated at Jan. 31, 2020 by Teachoo

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Ex 12.1, 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.

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.