Mathematics, 21.02.2021 14:00 dbrwnn

يمثل الشكل المقابل قاعة حفلات نكون من مربع و مستطيل و نصف فرص مع العلم أن قطر المربع 13 m و قطر المستطيل 15 m يريد صاحبها تبليطها لبلاد سعر المتر المربع الواحد هو 800 da و 0.8=cos احسب سعر البلاط

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يمثل الشكل المقابل قاعة حفلات نكون من مربع و مستطيل و نصف فرص مع العلم أن قطر المربع 13 m و قطر المس...

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