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What is the definition of an acute angle?

More than 90 degrees

Less than 90 degrees

An acute angle is defined as an angle that measures less than 90 degrees. This classification is part of the broader categorization of angles in geometry, which also includes right angles (exactly 90 degrees), obtuse angles (more than 90 degrees but less than 180 degrees), and straight angles (exactly 180 degrees). The defining characteristic of an acute angle is its sharpness; it is typically associated with smaller angles that appear less expansive than other types. This definition holds true regardless of context and is fundamental in various applications of geometry.

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Exactly 90 degrees

More than 180 degrees

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