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Lines and Angels

4th Grade Math

Linda Peltz

on 29 July 2010

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Transcript of Lines and Angels

An obtuse angle is one which is more than 90° but less than 180° Obtuse Angle ANGLES A right angle is an angle which is equal to 90°,
one quarter of a full revolution. Acute
Angle Obtuse
Angle Right
Angle An angle less than 90°
An obtuse angle is one which is more than 90°
but less than 180°

Line: A series of points that go
endlessly in both directions. Line Segment:
A line with definite end points Ray : The part of a line that has one endpoint
and goes on endlessly in the other direction. Parallel Lines: Two lines that are equal distance apart and will never intersect. Perpendicular Lines:Two lines that intersect to form two right angles. Lines, lines, lines Lines and Angles Click on thisweb site and then go to Degree

http://amathsdictionaryforkids.com/dictionary.html Straight Angle : An angle that measures 180 degrees.
(straight line) Acute, Right Angle or Obtuse???? Acute, Right Angle or Obtuse???? obtuse acute acute right angle acute acute Right angles have to be exactly
90 degrees Click here for more practice. Many times there is a box in the corner of the right angel. less than 90 degrees acute acute less than 90 degrees more than 90 degrees obtuse obtuse angles obtuse angles
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