Wednesday, May 27, 2015

Acute? Obtuse? Reflex? Which is Which?

Acute? Obtuse? Reflex? 

Which is Which?

Angles less than 90 degrees are...   Acute



Angles between 90 and 180 are...   Obtuse



Angles between 180 and 360 are...

Reflex

How to remember?

Alphabet! AOR. Fortunately, the angles are in alphabetical order.


A - Acute - up to 90
O - Obtusebetween 90 and 180
R - Reflex - between 180 and 360

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