Mathematics · Geometry
रेखा खंड AD और BE बिंदु C पर प्रतिच्छेद करते हैं। त्रिभुज ABC में, B पर कोण x° है और A पर कोण 40° है। त्रिभुज CDE में, D पर कोण y° है और E पर कोण 60° है। यदि x = 100 है, तो y का मान क्या है?
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