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"checkpointList": [
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notes/.obsidian/workspace.json
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notes/.obsidian/workspace.json
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},
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"cjl/literatura/slohy/Romantismus/Pracovní list 2.md",
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"cjl/literatura/slohy/Romantismus/Pracovní list.md",
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"fyz/pohyb/Periodický a kmitavý/Rychlost a zrychlení.md",
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"fyz/pohyb/Periodický a kmitavý/Princip superpozice.md",
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"fyz/fyz.md",
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"ele/Náboj, proud, napětí a odpor.md",
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"ele/ele.md",
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"dej/moderní/postkomunismus/Kupónová privatizace.md",
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"ech/ech.md",
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"dej/moderní/postkomunismus",
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"mat/Trigonometrie/Geometrie",
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"fyz/pohyb/Periodický a kmitavý",
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@ -0,0 +1 @@
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# Pracovní list 2
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@ -11,6 +11,7 @@ tags: [cjl, cjl/slohy, cjl/slohy/romantismus, MOC, generated, index]
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- [[cjl/literatura/slohy/Romantismus/Karel Hynek Mácha|Karel Hynek Mácha]]
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- [[cjl/literatura/slohy/Romantismus/Kytice|Kytice]]
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- [[cjl/literatura/slohy/Romantismus/Národní obrozeni|Národní obrozeni]]
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- [[cjl/literatura/slohy/Romantismus/Pracovní list 2|Pracovní list 2]]
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- [[cjl/literatura/slohy/Romantismus/Pracovní list|Pracovní list]]
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- [[cjl/literatura/slohy/Romantismus/Příprava na test|Příprava na test]]
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- [[cjl/literatura/slohy/Romantismus/Václav Matěj Kramerius|Václav Matěj Kramerius]]
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@ -16,3 +16,46 @@ Dokazujeme: $\triangle CBP\cong\triangle ABT$
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---
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---
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---
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Usecku $AB$ rozdelte bodem $C$ tak, aby
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a) $|AC|:|CB|=5:2$
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b) $|AC|:|CB|=3:7$
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---
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Které z následujících $\triangle$ jsou podobné
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s $\triangle ABC; a=12cm, b=15cm,c=18cm$
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a) $\triangle KLM; k=12cm,l=10cm,m=8cm$
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b) $\triangle XYZ;x=28cm,y=24cm;z=36cm$
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c) $\triangle EFG; |EF|=6cm,|EG|=4cm,|FG|=5cm$
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---
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Člověk vysoký $1.8m$ vrhá stín dlouhý $1.1m$. V ten stejný moment vrhá strom stín dlouhý $3.3m$. Jak vysoký je strom?
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$d_{stín\spacečlověka}=1.1m$
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$h_{člověk}=1.8m$
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$k=\frac{d_{stín\spacečlověka}}{h_{člověk}}=\frac{1.1m}{1.8m}$
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$d_{stín stromu}=3.3m$
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$h_{strom}=d_{stín stromu}*\frac1k=3.3*\frac{1.8}{1.1}=5.4m$
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---
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Měřítko mapy je $1:5000$. Jak je skutečně veliké pole tvaru $\triangle$, mají-li jeho okraje v mapě délky $32.5mm$, $23.5mm$ a $36mm$?
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