{"book":"adl0919","page":108,"text":"٩٥\n\nسبق (١١٦)\nپس هرگاه یک زاویهٔ مثلث از قائمه هم کلانتر بوده یعنی\nمنفرجه باشد بنام آن زاویه کلان یاد می نمایند، یعنی\nمثلث منفرج الزاویه خوانند، و نیز ثابت شده\nکه تساوای اضلاع مثلث مستلزم تساوای زوایا\nآنست یعنی اگر هر سه ضلع مثلث برابر باشند\nهر سه زاویه آن هم برابر یکدیگر خواهند بود، پس هر زاویه\nآن برابر ۱/۳ قائمه باشد، بنابر مذکور مثلث متساوی\nالاضلاع از روی زاویه همین یک قسم یعنی\nحادالزوایا میباشد و بس، و هرکدام متساوی\nالساقین، ومختلف الاضلاع از روی زاویه هر سه\n\nرحمت الله\nمحمد زمان\nمحمد رفیق\n١١٢","chars":501,"image":"https://storage.googleapis.com/adl-page-images/adl0919/00108.jpg","first_page":1,"last_page":181,"title":"Ṭarz-i amānī dar taʻlīm-i ibtidāʼi ʻaskar-i ummī طرز امانى در تعليم ابتدائى عسکر امى","permalink":"https://afghanpress.org/book/adl0919/108","canvas":"https://afghanpress.org/iiif/adl0919/canvas/108","source":"https://afghanistandl.nyu.edu/books/adl0919/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0919_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."}}