This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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Here's a breakdown of the questions and their solutions: Question No. 12 a) The statement provided is a fundamental theorem in circle geometry. Statement: ERL = (1)/(2) EOL [एउटै चापमा बनेको परिधि कोण केन्द्रीय कोणको आधा हुन्छ।] Explanation: This theorem states that the angle subtended by an arc at the circumference ( ERL) is half of the angle subtended by the same arc at the center ( EOL). This is a core property of circles. b) This part presents a calculation based on a given angle and an equality. Given: REA = 92^