{"book":"adl0131","page":38,"text":"کتاب\n۲۷\nمساحت\n\nبطریقی که مایان حل مسئلجات را مینویسیم صرف باصول فصل دوم موقوف است عملاً چندان سخن کلان نیست هر طالب العلم که از علم اقلیدس واقف است صداقت صحت اینها را بخوب وجه می فهمد.\n\n۴۰- یک خط مستقیم را بدو حصه برابر تقسیم کنید.\nفرض کنید که الف ب خط مستقیم را تنصیف میکند الف و ب را جدا جدا مرکز تصور کرده بر نصف قطر که از نصف الف ب زیاده باشد دائره ها بکشید که یکدیگر را بر نقوط د و ی قطع کنند یکجا کنید خط د ی را که خط الف ب را بر نقطه ج قطع میکند.\nپس خطوط الف ج و ب ج با هم برابر خواهند بود و خط د ی بر خط الف ب عمود خواهد بود پس معلوم شد که باین ترکیب بر یک خط مستقیم عمود کشیده میتوانیم و اورا بدو حصه برابر هم تقسیم کرده میتوانیم.\n۴۱- کدام زاویهٔ مفروض را بدو حصه های برابر تقسیم کنید.\nفرض کنید که الف ب ج زاویهٔ مفروضه است که بدو حصه های برابر","chars":753,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00038.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/38","canvas":"https://afghanpress.org/iiif/adl0131/canvas/38","source":"https://afghanistandl.nyu.edu/books/adl0131/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0131_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."}}