في الشكل أدناه إذا كان ٧٦ = m B، وقياس A -->@font-face{font-family:'math123ef5cf238a3b88085d95adf94';src:url(data:font/truetype;charset=utf-8;base64,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)format('truetype');font-weight:normal;font-style:normal;} يساوي نصف قياس B -->@font-face{font-family:'math123ef5cf238a3b88085d95adf94';src:url(data:font/truetype;charset=utf-8;base64,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)format('truetype');font-weight:normal;font-style:normal;} ، فما m C؟

سؤال

في الشكل أدناه إذا كان ٧٦ = m B، وقياس A --...

في الشكل أدناه إذا كان ٧٦° = m∠B، وقياس A يساوي نصف قياس B، فما m∠C؟

اشترك لرؤية الإجابة الصحيحة والشرح التفصيلي.