acute angle
An acute angle is an angle that measures less than 90 degrees
An acute angle is an angle that measures less than 90 degrees. In other words, it is an angle that is smaller or “sharper” than a right angle (90 degrees). Acute angles are typically depicted as a small angle symbol (a small arc with a dot at the center) placed inside the angle.
For example, if you have a triangle with one angle measuring 30 degrees, another angle measuring 60 degrees, and the third angle measuring 90 degrees, the first two angles (30 degrees and 60 degrees) would be considered acute angles since they are both less than 90 degrees.
Acute angles are commonly found in everyday objects and situations. For instance, the corner of a square or rectangle typically forms four acute angles. Additionally, when you tilt your head slightly to the side, the angle formed between your neck and shoulder would be an acute angle.
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