An arc of length 2.5 cm of a circle subtends an angle of θ radian at the center "0" of diameter 6 cm, the value of θ is?

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An arc of length 2.5 cm of a circle subtends an angle of θ radian at the center "0" of diameter 6 cm, the value of θ is? Answer: 0.833 radian

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.