{"book":"adl0946","page":99,"text":"۹۲\nل می باشد برای ساختن آن کافی است که دو نقطه مانند ۱\nو د در روی آن فرض کرده نقاط متناظره آنها یعنی ۱َ و دَ\nرا بواسطۀ دوران آن ها بقدر ۱۸۰ درجه بدور نقطه ه\n(۱۱۳) بدست آورده بعد آن دو نقطه را بهم وصل\nمی نمائیم خط ل خط متناظره مطلوب است حال اگر نقطۀ\nدیگری غیر از او د مانند ج بروی خط ل فرض کنیم میدانیم\nکه نقطۀ متناظرۀ آن نقطۀ ج است زیرا که در وقت دوران\n۱۸۰ درجه همان طور که ۱ و د بر روی ۱َ و دَ واقع شدند\nج هم بر ج واقع می گردد.\n۱۱۹- مسئله- میخواهیم امتحان کنیم که دو خط\nمتناظره نسبت بيك نقطه همدیگر را تقاطع میکنند\nیا ند.\nاگر آن دو خط نقطه مشترکی مانند ک داشته باشند.\nچون نقطۀ ک روی خط ل است پس نقطۀ متناظره آن\nیعنی کَ متمایز از ک روی ل واقع می گردد از طرف دیگر","chars":662,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00099.jpg","first_page":1,"last_page":327,"title":"Handasah-ʼi musaṭṭaḥah barā-yi ṣinf-i haftum-i makātib-i rushdīyah, bi-qarār-i prūghram-i Vizārat-i Jalīlah-ʼi Muʻārif-i Afghānistān هندسۀ مسطحه :هندسۀ مسطحه","permalink":"https://afghanpress.org/book/adl0946/99","canvas":"https://afghanpress.org/iiif/adl0946/canvas/99","source":"https://afghanistandl.nyu.edu/books/adl0946/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0946_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}