A positive angle measuring less than 90 degrees.

All angles whose measures are between 0 and 90 degrees.

an angle less than 90'; pointed

An angle whose measure is between 0° and 90°.

Any angle with measure less than ninety degrees.

an angle that measures less than a right angle

an angle that measures less than 90º and greater than 0º.

an angle that measures less than 9 and greater than .

An Acute Angle is any angle less than 90 degrees.

An angle with a measure less than 90º.

An acute angle is an angle that has a value greater than 0 degrees but less than 90 degrees (90º). We're sure it's adorable, too.

An angle which measures less than 90 degrees.

An angle whose measure is less than 90 degrees.

(4) An angle greater than 0 degrees and less than 90 degrees. See angle.

An angle with measure less than ninety degrees.

An angle whose measure is less than 90° (Lesson 2.3)

an angle that is less than 90 degrees.