An angle less than 90 degrees is called an acute angle. An acute angle is a smaller, sharper angle, greater than 0 degrees and less than 90 degrees.
An angle less than _____ is called an acute angle.
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Question context
This question is part of 📐 Geometry within the broader 🧠 Aptitude Mastery subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.