البحث:

https://alnasiry.net/forums/uploaded/17365_01591301229.jpg

https://alnasiry.net/forums/uploaded/19175_ea556e74-9bf7-455c-bda1-ad8101cefe39.png

https://alnasiry.net/forums/uploaded/18677_e0d4fff1-c3fc-434a-aff8-38e27940c2a7.jpeg

IIhttps://alnasiry.net/forums/uploaded/18677_1b592ed7-118c-4e29-92fd-ecc1d21895d2.jpeg

https://alnasiry.net/forums/uploaded/18677_14071528-2648-4d69-af11-d38392fb2ffc.jpeg

https://alnasiry.net/forums/uploaded/19175_24593b91-8baa-484a-bec5-f6010df502f2.pngق

https://alnasiry.net/forums/uploaded/15125_lent1.png

طول القوس https://alnasiry.net/forums/uploaded/19175_911bb493-7503-479c-ab12-85f7ee1c69fd.jpeg

https://alnasiry.net/forums/uploaded/19175_7c36350a-1734-4505-8dc4-a58b7949750b.png

https://alnasiry.net/forums/uploaded/15125_mah3.png

https://alnasiry.net/forums/uploaded/19175_eca03d2d-1a88-45a1-bf7a-e621d79189b5.jpeg

https://alnasiry.net/forums/uploaded/19175_ef9c51a8-f79b-42c5-ac01-8ea00ffb87ba.png

الحل بطريقة اكثر دقة :

اضغط هنا

https://alnasiry.net/forums/uploaded/18677_200c1ad8-d1f7-482b-968d-7705244567f5.jpeg

https://alnasiry.net/forums/uploaded/19175_65794571-c8a9-40d8-a7ac-115f83f07653.jpeg

http://alnasiry.net/forums/uploaded/19175_dcee1f92-2115-4e70-86da-374d27acc796.jpeg

http://alnasiry.net/forums/uploaded/19175_693e562d-9bec-4713-ba93-2fa06f93508c.jpeg

http://alnasiry.net/forums/uploaded/18677_670e56b7-c7ec-4fe6-ba2a-725c174e1820.jpeg
981

http://alnasiry.net/forums/uploaded/19175_f0766628-6b49-442e-86c5-489ea75c20c5.jpeg

http://alnasiry.net/forums/uploaded/19175_0891d185-7066-4be7-9c3b-a156bfc4a799.jpeg