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GarryVolchara [31]
3 years ago
7

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

c Cylinder d Pyramid
Mathematics
2 answers:
KatRina [158]3 years ago
7 0

Answer:

a Sphere

Step-by-step explanation:

If a semicircle is rotated about the y-axis or the axis of its diameter, the three dimensional shape produced is a sphere. A sphere is a shape in three dimension that look like a ball and when drawn in two dimension it looks like a circle. The distance from any point on the sphere to its center is always the same. A sphere has only one surface without any edges or vertices, therefore it is perfectly symmetrical.

Svet_ta [14]3 years ago
5 0

Answer:

a

Step-by-step explanation:

there needs to have a graph or something to give an idea but i hope it helps you good luck.

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