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

Q 2: If three or more lines have a common point, the common point is called ______. concurrent point coplanar point point of intersection singular point

Q 3: If three different lines are such that each intersects the other two, then the number of points at which they intersect is _____. two three one many

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

Q 5: Points belonging to the same plane are called _____. concurrent points linear points points of intersection coplanar points

Q 6: If two lines in a plane have a common point, the common point is called the ________. coplanar point singular point concurrent point point of intersection

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

Q 8: Lines belonging to the same plane are called ________. infinite lines singular lines coplanar lines concurrent lines

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