Title: | Jak se také dá poznat pravoúhlý trojúhelník (Czech) |
Title: | Another way of recognizing right triangle (English) |
Author: | Calda, Emil |
Language: | Czech |
Journal: | Učitel matematiky |
ISSN: | 1210-9037 |
Volume: | 21 |
Issue: | 3 |
Year: | 2013 |
Pages: | 159-161 |
Summary lang: | English |
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Category: | math |
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Summary: | The author presents a proof that when given triangle $ABC$, point $P \neq S$ is a foot of a perpendicular from $C$ on $AB$, and $S$ is the middle of $AB$, then if angle $ACS$ equals angle $PCB$, then angle $BCA$ is a right one. (English) |
MSC: | 97G40 |
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Date available: | 2022-03-09T14:33:55Z |
Last updated: | 2022-03-09 |
Stable URL: | http://hdl.handle.net/10338.dmlcz/149505 |
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UcitelMat_021-2013-3_3.pdf | 1.041Mb | application/pdf |
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