
angezeigt
indicated
Advisable, appropriate, or necessary in a particular situation.
Bei diesen Symptomen ist ein sofortiger Arztbesuch angezeigt.
With these symptoms, an immediate visit to the doctor is indicated.
indicated / displayed / reported
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indicated
Advisable, appropriate, or necessary in a particular situation.
Bei diesen Symptomen ist ein sofortiger Arztbesuch angezeigt.
With these symptoms, an immediate visit to the doctor is indicated.

displayed
Made visible or shown, for example on a screen or display.
Die angezeigte Geschwindigkeit war deutlich zu hoch.
The displayed speed was clearly too high.

reported
Reported to an authority, especially the police, or formally reported as an offense.
Der angezeigte Täter wurde kurz darauf vernommen.
The reported offender was questioned shortly afterward.
'Angezeigt' (indicated/displayed/reported) is the past participle of the separable verb 'anzeigen' (to report; to display). The different meanings of the adjective derive directly from the meanings of the verb: 'etwas anzeigen' (to report something), 'etwas anzeigen' (to display something), or that 'etwas angezeigt ist' (something is advisable/indicated).
Der Computer zeigt eine Fehlermeldung an.
The computer displays an error message.
You can recognize the meaning from the context. If it is about advice or necessity, it means 'ratsam' (advisable). If it is about technology or data, it means 'dargestellt' (displayed). If it is about the police or law, it means 'gemeldet' (reported).
Bei dem Wetter ist warme Kleidung angezeigt.
In this weather, warm clothing is indicated.
In the meaning 'ratsam' (advisable) or 'erforderlich' (necessary), 'angezeigt' (indicated) almost always stands at the end of a sentence together with the verb 'sein' (to be). A typical construction is also 'Es ist angezeigt, etwas zu tun' (It is indicated/advisable to do something).
In dieser Situation ist Geduld angezeigt.
In this situation, patience is indicated.
When 'angezeigt' (displayed) has the meaning 'dargestellt' (displayed/shown), it often stands before nouns that refer to information. Typical examples are 'die angezeigte Temperatur' (the displayed temperature), 'der angezeigte Name' (the displayed name), or 'die angezeigte Route' (the displayed route).
Bitte geben Sie die auf dem Bildschirm angezeigte Nummer ein.
Please enter the number displayed on the screen.
appropriate
A reaction can be angemessen or angezeigt when it fits a situation. Angemessen primarily evaluates its proportionality and appropriate degree; angezeigt emphasizes that the situation suggests or requires this reaction. For simply describing a good fit, angemessen is often the better choice.

Nach dem ernsten Vorfall war eine sofortige Entschuldigung angezeigt.
After the serious incident, an immediate apology was indicated.
Nach der kleinen Verspätung war eine kurze Entschuldigung angemessen.
After the minor delay, a brief apology was appropriate.