Which shape best describes the object generated when square is rotated about the axis?
hollow rectangular prism
solid rectangular prism
hollow cylinder
solid cylinder

Which three-dimensional object is formed when the shape is rotated about the axis as shown?
sphere
cylinder
cone
hemisphere

Which description best describes the three-dimensional object that is formed when the shape is rotated about the axis as shown?
a hollow cylinder
a flat disk with a hole in the center
a square pyramid
a rectangular prism that is open on the ends

Question

lashaestone lashaestone

17-10-2017
Mathematics

contestada

Which shape best describes the object generated when square is rotated about the axis?
hollow rectangular prism
solid rectangular prism
hollow cylinder
solid cylinder

Which three-dimensional object is formed when the shape is rotated about the axis as shown?
sphere
cylinder
cone
hemisphere

Which description best describes the three-dimensional object that is formed when the shape is rotated about the axis as shown?
a hollow cylinder
a flat disk with a hole in the center
a square pyramid
a rectangular prism that is open on the ends

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virtuematane virtuematane · Answer 1 · 2019-02-04T10:40:21+01:00

Answer:

Ques 1) Hollow cylinder.

Ques 2) sphere.

Ques 3) Hollow cylinder.

Step-by-step explanation:

Ques 1)

on rotating the first figure about the axis:

If you rotate the square around the axis as shown in the first diagram, then the square will form a 3D ring around the vertical axis. This ring is essentially a hollow cylinder as the region in between is left empty.

Ques 2)

Rotating that semi-circle around the axis shown will generate a full sphere.

Ques 3)

As we have done in ques 1) now this time in place of square we are given a rectangle so on rotating this rectangle a hollow cylinder will be formed.

topeadeniran2 topeadeniran2 · Answer 2 · 2022-02-07T14:44:16+01:00

It should be noted that the shape that describes the object generated when square is rotated about the axis is C. Hollow cylinder.

Shapes

The three-dimensional object that is formed when the shape is rotated about the axis as shown is a sphere.

In the third diagram, the three-dimensional object that is formed when the shape is rotated about the axis as shown is a hollow cylinder.

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