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

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

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

Q 4: The number of lines that can be drawn through two different points in a plane is ______. many three two one

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

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

Q 8: The set of all points is called _____. number set concurrent points coplanar space

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