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°

http://www.ixl.com/math/practice/grade-4-acute-right-obtuse-and-straight-angles

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

### Present Remotely

Send the link below via email or IM

CopyPresent to your audience

Start remote presentation- Invited audience members
**will follow you**as you navigate and present - People invited to a presentation
**do not need a Prezi account** - This link expires
**10 minutes**after you close the presentation - A maximum of
**30 users**can follow your presentation - Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

### Make your likes visible on Facebook?

Connect your Facebook account to Prezi and let your likes appear on your timeline.

You can change this under Settings & Account at any time.