Mathematics · Properties of Triangles
यदि त्रिभुज ABC के कोण A का कोण समद्विभाजक (angle bisector) उसके परिवृत्त (circumcircle) से E पर और विपरीत भुजा BC से D पर मिलता है, तो DE cos(A2) का मान किसके बराबर है?
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Mathematics · Properties of Triangles
सही उत्तर देखें
ab + c
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