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Jouer Froggy Jumps
1. What geometric body does this crystal ball resemble?
A
Prism
B
Sphere
C
Cylinder
2. What is the best representation that can be made of a sphere?
A
An inflated ball.
B
A heart pumping blood.
C
The silhouette of a circle.
3. To find the area of a sphere, what data is needed?
A
The radius, radius squared and surface data.
B
The radius, radius raised to the power of 3 and surface data.
C
The radius, radius squared.
4. What data is needed to find the volume of a sphere?
A
The radius, radius squared and surface data.
B
The radius, radius raised to three and surface data.
C
The radius, raised radius.
5. Find the area of a spherical surface whose radius is 2 m.
A
48,24 m2
B
50,24 m2
C
50,12 m2
6. Calculate the volume of a sphere of radius 3 cm.
A
113,04 cm3
B
131,04 cm3
C
103,00 cm3