{"book":"adl0131","page":120,"text":"کتاب ۱۰۹ مساحت\n\n۳ ۱/۲ × ۲ ۱/۴ = ۷/۲ × ۹/۴ = ۶۳/۸ = ۷ ۷/۸ پس رقبه ۷ ۷/۸ مربع فت مطلوبست\n(۲) طول قائم الزاویه نصف میل و عرض ۲۲۰ گز باشد رقبه را\nدریافت کنید-\nنصف میل = ۸۸۰ گز .:. ۸۸۰ × ۲۲۰ = ۱۹۳۶۰۰ پس رقبه\n۱۹۳۶۰۰ مربع گز مطلوب است-\n(۱۲۴) اگر رقبه و طول سطح قائم الزاویه معلوم باشد پس رقبه را\nبر طول تقسیم کرده عرض سطح قائم الزاویه را معلوم کرده میتوانیم-\nو اگر رقبه و عرض سطح قائم الزاویه معلوم باشد پس رقبه را بر عرض\nتقسیم کرده طول سطح قائم الزاویه را معلوم کرده میتوانیم- مگر همیشه\nلحاظ باید داشت که پیمانه های رقبه و طول و عرض همجنس باشند\n(۱۲۵) تمثیلات\n(۱) رقبه یک سطح قائم الزاویه ۹۶ مربع انچ و طول افت ۸ انچ است\nعرض سطح قائم الزاویه را معلوم کنید-","chars":649,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00120.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/120","canvas":"https://afghanpress.org/iiif/adl0131/canvas/120","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."}}