Mathematics · Geometry
एक वृत्त में, बिंदु A, B, C और D परिधि पर इस प्रकार स्थित हैं कि कोण ∠ABC और ∠BDC एक ही खंड में बनते हैं। यदि ∠ABC = 81° और ∠ACB = 9° है, तो ∠BDC का मान क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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सही उत्तर देखें
90°
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