{"book":"adl0946","page":21,"text":"۱۴\nقطعه خط قسمتی است از خط مستقیم که بین دو نقطه\nواقع شده باشد که آنها را دو انتهای آن قطعه خط\nمی نامند. ا ۲۰ ج\n١۵- قطعه خط های مساوی - فرض می کنیم دو قطعه خط\nا ج و د م در دست باشند س۲ ابتداء ستاره را در کنار قطعه\nخط دم قرار میدهیم و در کنار آن دو نقطه ک و ل را مطابق با\nآن دو نقطه نشان می کنیم بعد ستاره را طوری در کنار خط ا ج\nقرار می دهیم که نقطه ل مطابق با نقطه ا واقع شود بعد در روی\nکاغذ نقطه ن را که مطابق با نقطه ک است نشان می نمائیم پس\nدر این صورت قطعه خط ج ا\nم د را بر روی قطعه خط ق ن\nا ج نقل کرده ایم معمولاً ن ج ل\nاین نقطه ن بر روی نقطه ک ل\nس ۲۱\nج واقع نمی شود در این صورت می گویند که این دو قطعه خط نا\nمساوی هستند ولی اگر نقطه ن و ج بر روی یک دیگر واقع","chars":663,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00021.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/adl0946/21","canvas":"https://afghanpress.org/iiif/adl0946/canvas/21","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."}}