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Question -

निम्नांकित वृत्तों में प्रत्येक का केन्द्र 0 है। प्रत्येक में x का मान ज्ञात कीजिए।



Answer -

(i) x° = ∠AOB = 2 ∠ACB = 2 × 40° = 80°
(ii) x° = ∠ACB = 1/2 ∠AOB =   1/2× 105° = 52.5°
(iii) x° = ∠ACB = 1/2 ∠AOB =   1/2× 70° = 35°

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