{"book":"adl0131","page":105,"text":"کتاب\n۹۴\nمساحتها\n(۱۰۳) از قاعدۀ دفعۀ (۱۰۱)\nمحیط دائرۀ هر قدر که مطلوب باشد بعمل آورده میشود در حقیقتاً\nمحیط دائرۀ از ۱۴ ۳ چند قطر کم و محیط دائرۀ از ۱۳ چند قطر زا\nمیباشد مگر از ضرب قاعدۀ ۱۴ ۳ که با قطر ضرب داده شود دائرۀ\n(۱۰۴) اگر ضرورت باشد پس قاعدۀ دفعۀ (۱۰۱) را بعبارت\nتناسب بیان کرده می توانیم که ۷ را با ۲۲ آن نسبت است که\nقطر دائره را با محیط دائرۀ نسبت است.\n(۱۰۵) تناسب ذیل از تناسب مذکورۀ بالا زیاده تر صحیح است\nیعنی ۱۱۳ را با ۳۵۵ همان نسبت است که قطر را با محیط نسبت که\nمگر بذریعۀ قاعدۀ مذکورۀ بالا نیز محیط را هر قدر که مطلوب باشد\nبعمل آورده میتوانید.\nلکن غلطی مذکور اینقدر کم است که در ۱۹۰۰ میل غلطی افت پر عمل\nو غلطی مذکور انقسم است که بخیال باید آورده نشود.\n(۱۰۶)","chars":674,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00105.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/105","canvas":"https://afghanpress.org/iiif/adl0131/canvas/105","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."}}