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Součet vnitřních úhlů v trojúhelníku
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Vedlejší úhly
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Obrazec ve středové souměrnosti
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Obrazec v osové souměrnosti
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Volné rýsování
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Středově souměrný trojúhelník 2
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Středově souměrný trojúhelník
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Osově souměrný trojúhelník 2
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Obraz kružnice ve středové souměrnosti
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Obraz kružnice v osové souměrnosti
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Obraz úsečky ve středové souměrnosti
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Obrazy bodů v osové souměrnosti
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