{"book":"adl0946","page":285,"text":"۲۷۸\n\nزاویهٔ ج دک بکار می رود برای ما مناسب است -\nاز طرف دیگر چون می توانیم زاویه ج دک را در طرف دیگر\nح د رسم کنیم از ان قوس ح م د نتیجه می شود که متناظره ج و د و\nجواب دیگر مسئله می باشد -\n۳۱۴ - پس مکان هندسی مطلوب دو قوس ج ۱ د و\nح م د می باشد و از روی تبصره ۳۰۹ معلوم می شود که ممکن\nنیست نقطه دیگری جزء مکان هندسی مطلوب باشد زیرا که\nاگر نقطه مانند ل فرض کنیم که روی دو قوس مزبور نباشد زاویه\nحاصله یا بزرگتر یا کوچک تر از زاویه مطلوبه خواهد کرد -\nدر این حال می گویند که دو قوس مزبور قابل زاویه ه میباشد -\nاز آنچه گفتیم چنین نتیجه می گیریم -\nقضیه - مکان هندسی نقاطی که از انها قطعه\nخط مفروضی بزاويهٔ مفروضه دیده شود دو قوس\nدائره ایست که نسبت به آن قطعه خط متناظر و\nقابل زاویه مفروضه اند .","chars":686,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00285.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/adl0946/285","canvas":"https://afghanpress.org/iiif/adl0946/canvas/285","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."}}