acute angle An angle whose measure is between 0° and 90°. Compare obtuse angle. |
The wind roared and shrieked in its wild fury, and such was its force that I fell in an acute angle.
As in the triangle aei, let the angle at i, be taken for an acute angle.
It went down at an acute angle for some fifty feet, the floor being covered with broken stone.
He struck it at an acute angle, and that showed him he had made a good line.
Her figure might have served to illustrate all the doctrines of the acute angle.
At the bottom of the falls the river turns an acute angle and flows to the west.
The Osprey, closing up from the south, held a course at an acute angle with that of the fugitive, to head her off.
Then both our chins assumed an acute angle and remained thus.
The detachment moved northwestward from Sinkat, at an acute angle to its morning's march.
It is perforated near the most acute angle and also through the base.
An angle that measures less than ninety degrees but more than zero degrees. (Compare obtuse angle and right angle.)