Acute, Obtuse, Right, Reflex
Estimation
Drawing Angles
Find the missing angle
Reflex Angles
100
Any angle that is less than 90*
What is Acute
100
How many degrees do you think this angle is? http://ed101.bu.edu/StudentDoc/Archives/fall03/bennettd/Images/FIG2.gif
What is right angle, 90*
100
Use a protractor to draw a 180* angle
100
http://www.homeschoolmath.net/teaching/g/angles/210-angle.gif
What is 150*
100
If the inside angle is 45*, what is the reflex angle?
What is 360 - 45 = 315*
200
Any angle that is exactly 90*
What is a right angle
200
How many degrees do you think this angle is? http://etc.usf.edu/clipart/32500/32523/angle_045_32523_lg.gif
What is 45*
200
Use a protractor to draw a 45* angle
200
http://s1077.photobucket.com/user/MrsHowardMath/media/supp130.jpg.html
What is 50 degrees
200
If the inside angle is 100* what is the reflex angle?
What is 360 - 100 = 260 *
300
Any angle that is more than 180*
What is obtuse
300
How many degrees do you think are in this angle? http://math8geometry.wikispaces.com/file/view/straightangle.jpg/33930099/straightangle.jpg
What is 180*, straight line
300
Use a protractor to draw a 75* angle
300
http://www.softschools.com/math/geometry/topics/images/supplementary_and_complementary_angles_image6.png
What is 45 degrees
300
If the reflex angle 250, what is the inside angle?
What is 360 - 250 = 110
400
Any angle that is more than 180*
What is Reflex
400
How many degrees do you think are in this angle? http://www.math-prof.com/Geom/Ch06_02.jpg
What is 360*, full circle
400
Use a protractor to draw a 100* angle
400
http://www.mytestbook.com/images/Grade7/Math/1379_13651_wk25pic7.gif
What is 33 degrees
400
If the inside angle is 87, what is the reflex angle?
What is 360 - 87 = 273
500
How many degrees are in a circle?
What is 360*
500
How many degrees do you think are in this angle? http://etc.usf.edu/clipart/32500/32538/angle_060_32538_lg.gif
What is 60*
500
Use a protractor to draw a 175* angle
500
http://www.bbc.co.uk/staticarchive/3cdbbb027ac08e5dcf6fea99d8c539aea18261bf.gif
What is 52*
500
Draw an angle that is 230 *
What is https://www.mathsisfun.com/images/angle230.gif
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