{"book":"adl0946","page":198,"text":"۱۹۱\nا را به نقطه از دائره مانندم وصل می نمائیم ثابت کنید\nکه هرگاه خط ا م از مرکز بگذرد بزرگترین یا کوچکتر بن\nخطی است که بین آن و نقطه ممکن است رسم نمود -\n۲۳- از مثلثی دو ضلع و شعاع دائره محیطیه در دست است\nآن را رسم کنید.\n۲۴- نقطه در درون دائره مفروضی است و تری رسم\nکنید که آن نقطه وسطش باشد -\n۲۵- آیا دو و تر دائره ممکن است یک دیگر را در وسط هم\nقطع کنند.\n۲۶- دو وتر مساوی که از یک مبداء مشترک شروع می\nشوند نسبت به قطری که ازان مبداء مشترک گذشته\nباشد متناظراند -\n۲۷- از دو انتهای قطر ا اً دو وتر مساوی ا د و اً دَ\nرسم می کنیم ثابت کنید که خط د دَ هم یک قطر\nدائره است.","chars":566,"image":"https://storage.googleapis.com/adl-page-images/adl0946/00198.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/adl0946/198","canvas":"https://afghanpress.org/iiif/adl0946/canvas/198","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."}}