If a semi-circle is rotated about the y-axis as shown below, what three-dimensional polyhedral would be formed?

Question

goformit100 · Answer

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dumbcow · Answer

it would be half a sphere or "hemisphere"

anonymous · Answer

a. Sphere 
b. Cone 
c. Cylinder 
d. Pyramid

anonymous · Answer

these are the answers i can choose from

anonymous · Answer

whould it be a sphere?

dumbcow · Answer

thats what i said :)  though technically you would have to rotate a full circle to get a complet sphere

anonymous · Answer

ok thanks :)

dumbcow · Answer

wait not if the semi-circle is on its side

anonymous · Answer