
Oberflächeninhalt Kugel
Authored by Conrad Schweiker
Mathematics
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wie lautet die Formel zur Ableitung des Oberflächeninhalts einer Kugel?
π * r^3
4 * π * r^2
3 * π * r^2
2 * π * r^2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berechne den Oberflächeninhalt einer Kugel mit dem Radius 5 cm. (π ≈ 3.14)
314 cm^2
785 cm^2
157 cm^2
628 cm^2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In welchen praktischen Anwendungen wird der Oberflächeninhalt einer Kugel berechnet?
Architektur, Maschinenbau, Geodäsie, Physik
Informatik
Chemie
Biologie
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gegeben ist der Oberflächeninhalt einer Kugel als 314.16 cm². Berechne den Radius der Kugel. (π ≈ 3.14)
10 cm
3 cm
7 cm
5 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Was ist die Einheit des Oberflächeninhalts einer Kugel?
Quadratmillimeter (mm²)
Kubikmeter (m³)
Hektar (ha)
Kilogramm (kg)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berechne den Oberflächeninhalt einer Kugel mit dem Radius 8 cm. (π ≈ 3.14)
642.36 cm^2
803.84 cm^2
724.48 cm^2
502.64 cm^2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Warum ist es wichtig, den Oberflächeninhalt einer Kugel zu berechnen?
Um die Farbe der Kugel zu bestimmen
Es ist wichtig, den Oberflächeninhalt einer Kugel zu berechnen, um Materialien zu bestimmen oder für spezifische Anwendungen wie Architektur oder Mathematik.
Um die Anzahl der Ecken der Kugel zu zählen
Um die Temperatur der Kugel zu messen
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