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 or more lines have a common point, the common point is called ______. point of intersection coplanar point concurrent point singular point

Q 2: Lines and planes are ______ of space. intersections subsets supersets concurrent objects

Q 3: Points belonging to the same plane are called _____. points of intersection concurrent points linear points coplanar points

Q 4: If two lines in a plane have a common point, the common point is called the ________. coplanar point concurrent point singular point point of intersection

Q 5: The set of all points is called _____. number set coplanar space concurrent points

Q 6: The number of lines that can be drawn through two different points in a plane is ______. many three two one

Q 7: Lines belonging to the same plane are called ________. singular lines concurrent lines infinite lines coplanar lines

Q 8: 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

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