درس 4-5 (المستطيل )
تحقق من فهمك ص38
1ِA) بما ان قطرا المستطيل متطابقان وينصف كل منهما الاخر
QS =PR
2TS=QS=PR
(120 ) 2 =QS
240=PR
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1B) جبر : 64 -90=mLQRT
26 =mLQRT
في المتطابق الضلعين نجد ان زاويتي القاعدة متطابقان
26= mLQRT = mLSQR
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عمل الطالبة : اية محمد خالد 1\4
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