aus ZUM-Wiki, dem Wiki für Lehr- und Lerninhalte auf ZUM.de
< Gymnasium Stein‎ | Mathe‎ | Klasse 10‎ | Bogenmaß‎ | Aufgabe 8
Version vom 14. September 2013, 15:58 Uhr von Cara034 (Diskussion | Beiträge)

(Unterschied) ← Nächstältere Version | Aktuelle Version (Unterschied) | Nächstjüngere Version → (Unterschied)
Wechseln zu: Navigation, Suche


Figures of circular arcs

Stift.gif   Task

Three equally big coins are lying on a table in a way that each one is touching the two others. Calculate the perimeter U and the surface area A of the figure between the three coins as a function of the coins' radius.


bitte warten

bitte warten

Information icon.svg Note

Click inside the bright gray box. It turns turquoise. Enter your solution.

You may also use the menu, which is available via rightclick.

Complete your input with the RETURN-key. Green: right. Orange: wrong

See also: Using the Formel-Applet

Information icon.svg Solution

U=   r*π    (Select the red area to see the solution)

A=  (r^2)*sqrt(3)-0,5*r^2*π    (Select the red area to see the solution)