acute angle
An angle with a measure less than 90 degrees
An acute angle is an angle that measures between 0 and 90 degrees, excluding 0 and 90 degrees. In other words, an angle is considered acute if it is smaller than a right angle (90 degrees). An acute angle can be formed in various geometrical shapes, such as triangles or polygons, where one of the angles measures less than 90 degrees. Acute angles can be identified using a protractor or by measuring the angles with a compass. Acute angles also have several properties, including the fact that they are complementary to obtuse angles, meaning that the sum of an acute angle and an obtuse angle is equal to 90 degrees. Additionally, acute angles are used in navigation and trigonometry to determine the direction or location of a point or object.
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