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

Q 2: Lines belonging to the same plane are called ________. coplanar lines infinite lines singular lines concurrent lines

Q 3: If two lines in a plane have a common point, the common point is called the ________. singular point point of intersection coplanar point concurrent point

Q 4: Space is _______ of points. a concurrent set an unusual set a finite set an infinite set

Q 5: If three or more lines have a common point, the common point is called ______. concurrent point coplanar point singular point point of intersection

Q 6: The set of all points is called _____. coplanar space number set concurrent points

Q 7: If three or more lines pass through the same point, the lines are called _____. finite lines parallel lines coplanar lines concurrent lines

Q 8: Points belonging to the same plane are called _____. linear points concurrent points points of intersection coplanar points

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