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 pass through the same point, the lines are called _____. coplanar lines parallel lines concurrent lines finite lines

Q 2: If two lines in a plane have a common point, the common point is called the ________. concurrent point singular point point of intersection coplanar point

Q 3: If three or more lines have a common point, the common point is called ______. singular point coplanar point concurrent point point of intersection

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

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

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

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

Q 8: If three different lines are such that each intersects the other two, then the number of points at which they intersect is _____. two many one three

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