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 ______. singular point coplanar point point of intersection concurrent point

Q 2: 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 3: The set of all points is called _____. number set space coplanar concurrent points

Q 4: If three different lines are such that each intersects the other two, then the number of points at which they intersect is _____. one three two many

Q 5: Space is _______ of points. an unusual set a finite set an infinite set a concurrent set

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

Q 7: Lines and planes are ______ of space. concurrent objects subsets supersets intersections

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

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