Benutzt man bei umfang cm hoch 2?

Hey ich lerne gerade für eine mathe arbeit und habe eine Frage……

wenn ich den Umfang ausrechne muss ich bei dem Ergebnis dann cm hoch 2 schreiben????

und stimmt das dass man den umfang so rechnet?

So: 2•a + 2•b (je nach dem was für nh figur)

bitte nur direkte Antworten(:

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Halbrecht
9 months ago

No, size is a distance, length with cm

Areas have 2

should lead your circumferential calculation to 2, it is somewhere wrong

PaterAlfonso
9 months ago

The size is a STRECKE, so no square. This is reserved for areas (length MAL width).

K05TA5
9 months ago

No, you can use meters or centimetres on the circumference.

For volume : m3, cm3…

WraithGhost
9 months ago

In a circle: r2 times Pi.

With a right-angle triangle, you can only calculate the third side with a2 +b2, and you need to drag the root from “c” (Pythagoras formula).

User3442
9 months ago
Reply to  WraithGhost

Since when is the circumference of a circle πr2? The size is 2πr.

WraithGhost
9 months ago
Reply to  User3442

Sorry, my mistake – you’re absolutely right.

r2π is the area content. 2rpi.

Shame me for the confusion of the two circular formulas.

To my apology, I must say that I had pressed the school bench more than 40 years ago 😉