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Visualising Solid Shapes
Question
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Why the following solids are not polyhedron?
(i) A sphere.
(ii) A cone.
(iii) A cylinder.

Answer

Since, a polyhedron is a solid shape bounded by polygons. However, (i) a sphere, (ii) a cone and (iii) a cylinder are not polyhedron because they are made of polygons, i.e. their faces are not polygons.

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Some More Questions From Visualising Solid Shapes Chapter

Match the following pictures (objects) with their shapes:

Let there be a combination of three cubes, one on the top of the other as shown in the adjoining figure. What will be its top and side view?

Look at the combination of four cubes as shown in the adjoining figure. Show its various views.

For each of the given solid, the two views are given. Match for each solid the corresponding top and front views. The first one is done for you.

For each of the given solid, the three views are given. Identify for each solid the corresponding top, front and side views.

For the given solid, identify the top view, front view and side view.

Draw the front view, side view and top view of the given objects.

Look at the hut and draw its front view, side view and the top view.

In the figure, a brick is given. Draw its front view, side view and top view.

Following solids are made by joining cubes. Draw their different views.

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