{"book":"adl0131","page":258,"text":"مساحت\n۴۲۷\n\nاضلاع مثلث الف و ج ۷۰ ۵ اکڑی و ج ۳۲۰ گز و ۵۰ اکڑی اندپس | ۱۰۱۶۴۰۰\nمثلث بموجب دفعه (۱۴۲) ۱۶۶۴۰۰ مربع کڑی مطلوب است\nحساب رقبه های حصص باقیمانده زمین مذکور را که درمیان اضلاع\nمثلث و حدود زمین مذکور واقع اند حسب ذیل حل مینمائیم-\nبالای خط الف تو ب کوس عمود اند پس باید که رقبه یک\nمثلث و رقبه ذوزنقه و رقبه دیگر مثلث را معلوم کنیم- پس رقبه های\nمثلث ها و شکل ذواربعه الاضلاع مذکور در پیمانه های مربع کڑی\nحسب ذیل اند-\nرقبه مثلث اول ۱/۲ × ۳۰۰ × ۱۰ = ۱۵۰۰\nرقبه ذوزنقه ۱/۲ × ۲۰ × ۶۶۰ = ۱۳۲۰۰\nرقبه مثلث دوم ۱/۲ × ۵۸۰ × ۳۰ = ۸۷۰۰\nپس مجموعه کل = ۳۴۰۰ کڑی جواب مطلوبه یعنی مجموعه کل-\nبالای الف ب و ج یک عمود بر نقطه ی بطرف بیرون و یک","chars":629,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00258.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/258","canvas":"https://afghanpress.org/iiif/adl0131/canvas/258","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."}}