{"book":"adl0131","page":65,"text":"کتاب\n۵۴\nمسانه\nتقسیم کنید خارج قسمت ارتفاع مطلوب خواهد بود.\n(۷) اگر هر دو ضلاع مثلث قائم الزاویه معلوم باشند پس عمود\nاز زاویۂ بالائی وتر کشیده شود قاعده معلوم کردن عمود مذکور در ذیل\nقاعده\nحاصل ضرب ضلاع معلوم را بر وتر تقسیم کنید عمود مطلوب خواهد بود\n(۸) اگر در مثلث قائم الزاویه آن حصص وتر که از زاویه قائمه از کشه از\nعمود بر وتر ساخته شده اند معلوم باشند پس قاعده معلوجه\nاضلاع مثلث در ذیل است.\nقاعده\nموافق قاعده (۸) عمود را دریافت کنید و بعده موافق وقعده (۵)\nیا موافق قاعده (۱) هر یک ضلع را دریافت کنید.\n(۹) اگر در مثلث قائم الزاویه آن حصص و تر که از زاویه قائمه از کشید از دریا\nعمود بالائی و تر تیار میشوند معلوم باشند پس قاعدہ عمود مذکور در ذیل است. ۲\nقاعده","chars":659,"image":"https://storage.googleapis.com/adl-page-images/adl0131/00065.jpg","first_page":1,"last_page":381,"title":"Kitāb-i ʻIlm i masāḥat کتاب عالم ا مساحت","permalink":"https://afghanpress.org/book/adl0131/65","canvas":"https://afghanpress.org/iiif/adl0131/canvas/65","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."}}