Point has no dimensions. It is represented by dot.

Line has one dimension. It is represented by a line with two arrowheads but it extends without end.

Plane has two dimensions. It is represented by a shape that looks like a floor or a wall, but it extends without end.

Space has three dimensions.

Intersections:

Two or more geometric figures intersect if they have one or more points in common.

The intersection of the figures is the set of points the figure have in common.

The intersection of two different lines is a point.

The intersection of two different planes is a line.

For videos and additional resources on this topic, please see: MyndBook.com/go.php?to=207_887Directions: Answer the following questions. On a sheet of paper represent the following: points, line, parallel lines, collinear points, coplanar points, coplanar lines, concurrent lines.

Q 1: The set of all points is called _____. concurrent points space number set coplanar

Q 2: Space is _______ of points. a finite set an unusual set a concurrent set an infinite set

Q 3: The number of lines that can be drawn through two different points in a plane is ______. three one many two

Q 4: Lines belonging to the same plane are called ________. concurrent lines coplanar lines singular lines infinite lines

Q 5: Lines and planes are ______ of space. subsets supersets concurrent objects intersections

Q 6: If three different lines are such that each intersects the other two, then the number of points at which they intersect is _____. two one three many

Q 7: If two lines in a plane have a common point, the common point is called the ________. point of intersection concurrent point singular point coplanar point

Q 8: If three or more lines pass through the same point, the lines are called _____. parallel lines concurrent lines finite lines coplanar lines

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