vault backup: 2023-10-13 12:36:16

This commit is contained in:
Daniel Bulant 2023-10-13 12:36:16 +02:00
parent 7d4f9bfae5
commit ed6699d5c0
15 changed files with 9452 additions and 33 deletions

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%%

View file

@ -29,11 +29,15 @@ imagePrefix: 'data/'
- [[data/kótování příklad 1 2.bmp|kótování příklad 1 2.bmp]]
- [[data/kótování příklad 1.bmp|kótování příklad 1.bmp]]
- [[data/kótování příklad 1.svg|kótování příklad 1.svg]]
- [[data/Kružnice 2023-10-13 11.32.35.excalidraw|Kružnice 2023-10-13 11.32.35.excalidraw]]
- [[data/Matice 1.bmp|Matice 1.bmp]]
- [[data/Matice 2.bmp|Matice 2.bmp]]
- [[data/Matice 3.bmp|Matice 3.bmp]]
- [[data/Matice.bmp|Matice.bmp]]
- [[data/Metrický závit.bmp|Metrický závit.bmp]]
- [[data/Obvody a obsahy rovinných útvarů 2023-10-13 12.02.25.excalidraw|Obvody a obsahy rovinných útvarů 2023-10-13 12.02.25.excalidraw]]
- [[data/Obvody a obsahy rovinných útvarů 2023-10-13 12.18.54.excalidraw|Obvody a obsahy rovinných útvarů 2023-10-13 12.18.54.excalidraw]]
- [[data/Obvody a obsahy rovinných útvarů 2023-10-13 12.28.11.excalidraw|Obvody a obsahy rovinných útvarů 2023-10-13 12.28.11.excalidraw]]
- [[data/Odraz světla 2023-09-14 13.19.17.excalidraw|Odraz světla 2023-09-14 13.19.17.excalidraw]]
- [[data/Odraz světla 2023-09-21 14.11.58.excalidraw|Odraz světla 2023-09-21 14.11.58.excalidraw]]
- [[data/Opakující se prvky_2021-11-26 12.28.49.excalidraw|Opakující se prvky_2021-11-26 12.28.49.excalidraw]]
@ -340,6 +344,7 @@ imagePrefix: 'data/'
- [[data/Pasted image 20230613135723.png|Pasted image 20230613135723.png]]
- [[data/Pasted image 20230613140100.png|Pasted image 20230613140100.png]]
- [[data/Pasted image 20230613140233.png|Pasted image 20230613140233.png]]
- [[data/Pravidelný n-úhelník 2023-10-13 12.07.37.excalidraw|Pravidelný n-úhelník 2023-10-13 12.07.37.excalidraw]]
- [[data/Rezistory 2022-06-09 11.29.33.excalidraw|Rezistory 2022-06-09 11.29.33.excalidraw]]
- [[data/Screenshot_20230402_150005.png|Screenshot_20230402_150005.png]]
- [[data/Screenshot_20230402_150549.png|Screenshot_20230402_150549.png]]

View file

@ -0,0 +1,8 @@
# Rovinné zrcadlo
Obraz je
- vzpřímený
- stejně velký
- zdánlivý
- souměrný

View file

@ -1,4 +1,5 @@
%% Zoottelkeeper: Beginning of the autogenerated index file list %%
- [[fyz/Svetlo/Odraz světla|Odraz světla]]
- [[Uplny odraz svetla|Uplny odraz svetla]]
- [[fyz/Svetlo/Rovinné zrcadlo|Rovinné zrcadlo]]
- [[fyz/Svetlo/Uplny odraz svetla|Uplny odraz svetla]]
%% Zoottelkeeper: End of the autogenerated index file list %%

View file

@ -2,6 +2,7 @@
%% Zoottelkeeper: Beginning of the autogenerated index file list %%
- [[mat/Geometrie/Konstrukční úlohy|Konstrukční úlohy]]
- [[mat/Geometrie/Kružnice|Kružnice]]
- [[mat/Geometrie/Obvody a obsahy rovinných útvarů|Obvody a obsahy rovinných útvarů]]
- [[mat/Geometrie/Středová souměrnost|Středová souměrnost]]
- [[mat/Geometrie/Zobrazení v rovině|Zobrazení v rovině]]
%% Zoottelkeeper: End of the autogenerated index file list %%

View file

@ -28,15 +28,11 @@ Platí že $\alpha+\delta=180\degree=\gamma+\beta$
---
## Příklady
$$\frac{\sin\alpha}{\sin60\cos\alpha-\cos60\sin\alpha}|/\sin\alpha$$
$$\frac{1}{\sin60\frac{\cos\alpha}{\sin\alpha}-\cos60}$$
$$\frac{1}{\sin60\cotg\alpha-\cos60}$$
![[Kružnice 2023-10-13 11.32.35.excalidraw]]
$$\frac58kce$$
$$2w=\frac58*360=225\degree$$
$$w=2w/2=225/2=112.5\degree$$

View file

@ -0,0 +1,60 @@
# Obvody a obsahy rovinných útvarů
## Obdélník
$S=ab$
$o=2(a+b)$
## Kosodélník
$o=2(a+b)$
$S=av_a=bv_b$
## Trojúhelník
$o=a+b+c$
$S=\frac{av_a}2$
## Lichoběžník
![[Obvody a obsahy rovinných útvarů 2023-10-13 12.02.25.excalidraw]]
Speciální typy:
- rovnoramenný ($d=b$)
- pravoúhlý (má 2 úhly o velikosti $90\degree$)
$o=a+b+c+d$
$S=\frac{v_a(a+c)}2$
## [Pravidelný n-úhelník](Pravidelný%20n-úhelník.md)
$o=na$
$S=\frac{va}2n$
## Kruh
$o=2\pi r$
$S=\pi r^2$
---
## Příklady
Vyjádřete velikost výšky v rovnostranném $\triangle$ se stranou $a$.
$v=a\sin(60)=\frac{a\sqrt3}2$
Vypočítejte $S$ a $o$ vyšrafovaných útvarů.
![[Obvody a obsahy rovinných útvarů 2023-10-13 12.18.54.excalidraw]]
$S=a*(a\sin(60))-\frac{\pi (\frac{a}2)^2}2$
$o=\pi r$
$S=\frac{av}2-\frac{\pi(\frac{a}2)^2}2$
$S=\frac{a^2\sqrt3}4-\frac{\pi a^2}8=\frac{2a^2\sqrt3-\pi a^2}8$
![[Obvody a obsahy rovinných útvarů 2023-10-13 12.28.11.excalidraw]]
$S=2a-\frac{pi a^2}2$
$o=\pi r$

View file

@ -1 +1,3 @@
# Pravidelný n-úhelník
![[Pravidelný n-úhelník 2023-10-13 12.07.37.excalidraw]]