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° and 360°. These are all right angles as they are all a ...
Acute and Obtuse is a series of outdoor furniture developed by Lau for Abbey Gardens, an open-access park and harvest garden in Newham. The furniture was entirely made from reclaimed materials ...