An acute angle is very easy to spot; it is any angle smaller than a right angle (0-89 degrees – ah, cute!). An obtuse angle is just as easy to identify; any angle that is bigger than a right ...

Angles are measured in degrees with the symbol ... A three-quarter turn is 270°. An acute angle is less than 90°. An obtuse angle is between 90° and 180°. A reflex angle is between 180 ...

20 x 26 in. (50.8 x 66 cm.) ...