{"book":"adl0131","page":126,"text":"کتاب\n۱۱۵\nمساحت\n\nوعرض ۱۰۰ فٹ است پس کل رقبه سٹرک و قطعه سبزه ۱۶۸×۱۰۸ مربع فٹ یا\n۱۸۱۴۴ مربع فٹ است و رقبه قطعه سبزه ۱۲۰×۱۰۰ مربع فٹ یا ۱۲۰۰۰\nمربع فٹ است پس رقبه سٹرک (۱۸۱۴۴) - (۱۲۰۰۰) مربع فٹ یا ۶۱۴۴\nمربع فٹ مطلوب است -\n(۴) یک سطح قائم الزاویه با دو خطوط مستقیم بچهار حصوص تقسیم میشود\nو خطوط مذکور متوازی اضلاع از فاصله معلوم کشیده شده اند پس رقبه های\nهر چهار سطح های مذکور را دریافت کنید -\nفرض کنید که الف ب ج د\nسطح قائم الزاویه است -\nو الف ب ۱۶ انچ و الف د ۹ انچ و الف ی ۱۰ انچ و الف ف ۷ انچ است\nو از نقطه ی ی غ متوازی الف د و از نقطه ف ف ق متوازی\nالف ب کشیده شده است پس ی ب = ۶ انچ و ف د = ۲ انچ\nالف ی ق ف رقبه سطح = ۱۰×۷ = ۷۰ مربع انچ و رقبه سطح ی ب ق غ","chars":655,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00126.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/126","canvas":"https://afghanpress.org/iiif/adl0131/canvas/126","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."}}