POINTS, LINES, & RAYS. POINT A point is a location in space that has no length, width, or height....
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Transcript of POINTS, LINES, & RAYS. POINT A point is a location in space that has no length, width, or height....
POINTS, LINES, & RAYS
POINT
• A point is a location in space that has no length, width, or height.
READ: point C
WRITE: C
C
LINE
• A line is a straight, continuous, and unending path made up of a collection of points.
READ: line CD
WRITE: CD
C D
LINE SEGMENT
• A line segment is part of a line and has two endpoints.
READ: line segment CD
WRITE: CD
C D
RAY
• A ray is part of a line made up of one endpoint and all the points on one side of it.
READ: ray CD
WRITE: CD
C D
PLANE
• A plane is a flat surface made up of a continuous and unending collection of points.
READ: plane JKL
WRITE: plane JKL
·L ·K
·J
INTERSECTING LINES
• Intersecting lines have one point in common.
READ: Line AB intersects line CD at point E.
D B
C
E
A
PERPENDICULAR LINES
• Perpendicular lines intersect at right angles.
READ: Line RT is perpendicular to line WX.
WRITE: RT WX.
W
T
X
R
PARALLEL LINES
• Parallel lines lie in the same plane but never intersect.
READ: Line MN is parallel to line PQ.
WRITE: MNPQ.
P
N
Q
M