{"book":"adl0131","page":259,"text":"مساحت\n۲۴۸\nکتاب\n\nعمود بر نقطه ف بطرف اندرون است. و دو مثلث پیدا میشود\nکه مثلث دوم باید که از مثلث اول تفریق شود.\nرقبه مثلث اول ۱/۲ × ۶۰۰ × ۴۰ = ۱۲۰۰۰\nرقبه مثلث دوم = ۱/۲ × ۸۳۰ × ۱۰ = ۴۱۵۰\nبعد از تفریق رقبه که لائق زیاده کردن ۷۸۵۰ مطلوب است\nبالای الف ب در ج ه و ل عمود اند. و حدود زمین مذکور\nبا خط جری بر نقطه ک یکجا میشود. پس درینجا نیز دو مثلث پیدا میگردد\nرقبه مثلث اول ۱/۲ × ۵۰۰ × ۲۰ = ۵۰۰۰\nرقبه مثلث دوم ۱/۲ × ۱۱۵۰ × ۳۰ = ۱۷۲۵۰\nپس کل مجموعۀ مثلث های مذکور = ۲۲۲۵۰ و\n۱۰۶۹۹۰۰ = ۲۲۲۵۰ + ۷۸۵۰ + ۲۲۳۴۰۰ + ۱۰۱۹۴۰۰\nپس کل رقبه زمین مذکور ۱۰۶۹۹۰۰ ایکر مطلوب است.\nپیمایش عمود بجهت خط اثبات شده است و پیمایش عمود مذکور\n۱۲۳۲","chars":614,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00259.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/259","canvas":"https://afghanpress.org/iiif/adl0131/canvas/259","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."}}