Geometry???

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Which is an instance of a physical surface which might be used to illustrate the concept of a plane.

Consider two walls that meet in a corner as representing portions of two geometric planes. What geometric shape is formed by the set of points common to the two planes?

Consider three walls that meet in a corner as representing portions of two geometric planes. How many points are common to the three planes?

2007-09-27 06:44:43 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

A) a table top, a wall or a sheet of paper.

B) a line

C) one, and that is the corner of all 3 walls

2007-09-27 06:56:47 · answer #1 · answered by 037 G 6 · 0⤊ 0⤋

2 planes have a line in common.

3 planes have a point in common

2007-09-27 13:53:05 · answer #2 · answered by Troy G 2 · 0⤊ 1⤋