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Matematyka
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1. OKRĘGI
- Circle Terminology
- Power of a point
- Un sangaku (算額)
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2. SANGAKU
- Sangaku de Sekisuiji
- Sangaku
- Sangaku 1
- Sangaku 2
- Sangaku
- Sangaku investigation Part2
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3. TRÓJKĄTY
- Trójkąty - ćwiczenie
- Okrąg opisany na trójkącie, okrąg wpisany w trójkąt
- Okrąg wpisany w trójkąt
- Podobieństwo trójkątów
- Trójkąty podobne 1
- Trójkąty podobne 2
- Parabola and triangle area
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Matematyka
piotrjerzymznsk, Apr 19, 2022
Co to jest SANGAKU? ---> https://pl.frwiki.wiki/wiki/Sangaku
Table of Contents
- OKRĘGI
- Circle Terminology
- Power of a point
- Un sangaku (算額)
- SANGAKU
- Sangaku de Sekisuiji
- Sangaku
- Sangaku 1
- Sangaku 2
- Sangaku
- Sangaku investigation Part2
- TRÓJKĄTY
- Trójkąty - ćwiczenie
- Okrąg opisany na trójkącie, okrąg wpisany w trójkąt
- Okrąg wpisany w trójkąt
- Podobieństwo trójkątów
- Trójkąty podobne 1
- Trójkąty podobne 2
- Parabola and triangle area
Circle Terminology
There are many vocabulary terms we use when talking about a circle.
The following app was designed to help you clearly see and interact with each term.
Explore this app for a few minutes. Then answer the questions that follow.
Note: LARGE POINTS are moveable.
How would you describe or define a CIRCLE as a locus (set of points that meets specified criteria)?
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How would you describe the term RADIUS without using the words "half" or "diameter" in your description?
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What does the term CHORD mean here in the context of a circle?
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How would you describe the term DIAMETER without using the words "two", "double", or "diameter" in your description?
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How would you describe/define the term SECANT?
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What does it mean for a line to be TANGENT to a circle?
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[bbcode]
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Sangaku de Sekisuiji
Problema d'un sangaku localitzat a la prefectura de Nagano, en el temple Sekisuiji del poble de Chikuhoku.
Referència extreta de Eichi Ito, [2003]. Japanese temple Mathematical problems, in Nagano Pref. Japan. Publicat per Kyoikushokan, Nagano City.
Localització i web a Google Maps.
Es presenta la construcció de quatre cercles tangents tal com es veu en la finestra gràfica.
Els punts de color verd control·len alguns parèmetres inicials i el punt Anima presenta la construcció en temps real.
Feu una anàlisi de la construcció que us permeti trobar la relació entre els radis dels quatre cercles
Activitat per a l'alumnat. Sangaku de Sekisuiji
Trójkąty - ćwiczenie
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