Thales von Milet

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Question statement

Thales soll ein Verfahren zur Bestimmung der Entfernung von Schiffen zum Ufer unter Verwendung des Kongruenzsatzes WSW erfunden haben.

Eine mögliche Methode wäre folgende (s. Abb.): Sei $A$ ein Punkt an Land und $S$ ein Schiff (alle weiteren Punkte sind auch an Land).

Wir wählen zunächst einen weiteren Punkt $C$ an Land, so dass $AC$ normal auf $SA$ steht.

Bitte etwas Geduld, während das Applet lädt.

Give any introductory information the student needs.

			Name	Type	Generated Value

app	ggbapplet	HTML node
S	vector	vector(6,4)
C	vector	vector(0,-1.5)
defs	list	Nested 2×2 list
B	vector	vector(0,1.25)
D	vector	vector(-6,-1.5)
defs2	list	Nested 4×2 list
app2	ggbapplet	HTML node

			Name	Type	Generated Value

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
geogebra_applet('https://www.geogebra.org/m/etsqtheh',defs)

JME function reference

This variable is an interactive HTML node. Interactive HTML nodes can not be relied upon to work correctly when resuming a session - for example, attached event callbacks will be lost, and mathematical notation will likely also break.

If this causes problems, try to create HTML nodes where you use them in content areas, instead of storing them in variables.

Description

Describe what this variable represents, and list any assumptions made about its value.

Can an exam override the value of this variable?

Generated value: `ggbapplet`

GeoGebra applet loading...

← Depends on:

defs

→ Used by:

"Konstruktion" - prompt

Parts

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Konstruktion Gap-fill
1. Gap Extension
  Add
Beweis Choose several from a list

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Konstruktion:

{app2}

Beweis:

Es ist $AB=BC$ ($B$ ist der Mittelpunkt) und die Winkel $\measuredangle SAB\cong\measuredangle DCB$ (Scheitelwinkel) und $\measuredangle ABS\cong\measuredangle CBD$ (beides rechte Winkel).

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Part	Test	Passed?
Gap-fill
Gap-fill		Hasn't run yet
Extension
Extension		Hasn't run yet
Choose several from a list
Choose several from a list		Hasn't run yet

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Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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Checkpoint description

Andreas Vohns 4 years, 6 months ago

Andreas Vohns 4 years, 6 months ago

Andreas Vohns 4 years, 6 months ago

Error in variable testing condition

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Generated value: `ggbapplet`

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Thales von Milet

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Andreas Vohns 4 years, 6 months ago

Andreas Vohns 4 years, 6 months ago

Andreas Vohns 4 years, 6 months ago

Error in variable testing condition

Error

Warning

Generated value: ggbapplet

Parts

Objectives

Penalties

Generated value: `ggbapplet`