السنة الاولى متوسط

تحضير درس نظير دائرة بالنسبة إلى مستقيم

عبد اللطيف

اخر تحديث :

نظرية دائرة بالنسبة إلى مستقيم

المستوى: أولى متوسط

الميدان : أنشطة هندسية

المقطع التعلمي: الزوايا والتناظر المحوري

المورد المعرفي : نظير دائرة بالنسبة إلى مستقيم

الكفاءة المستهدفة: .نشئ نظيرة دائرة بالنسبة إلى مستقيم

وضعيات التعلم

استعد : 6 ص 176

5/ الطائران الأخضر والأحمر متناظران بالنسبة إلى المستقيم (d): الحالتان 1 و 3.

6/ الاستنتاج:

(d) ليس محور تناظر الشكل.
(d) محور تناظر الشكل.

📌 اكتسب طرائق 6 ص 180

النظر إلى الشكل التالي ودراسة تماثل الدائرتين بالنسبة إلى المستقيم (d).

المعطى	الاستنتاج
المستقيم (d) محور تناظر الدائرتين	الدائرتان متناظرتان، ومركزاهما متناظران بالنسبة إلى (d).
نصف القطر متساوٍ في الدائرتين	الدائرتان لهما نفس نصف القطر.

🎯 حوصلة:

نظير دائرة بالنسبة إلى مستقيم (Δ) هو دائرة مركزها متناظر مع مركز الدائرة الأصلية، ولهما نفس نصف القطر.

تحضير درس نظير دائرة بالنسبة إلى مستقيم

✍️ تمرين:

أنشئ نظير الدائرة (C) بالنسبة إلى (T).

انشئ الدائرة (′𪠵)نظيرالدائرة (𪠵)بالنسبة إلى (𮰵

📌 التقويم:

ما هي نظرية [AP] بالنسبة إلى المستقيم (d)؟
قارن بين [AP] و [A'P']. ماذا تلاحظ؟
ما هي نظرية دائرة بالنسبة إلى المستقيم (d)؟

تعديل المقال

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