Monicaa Abhijit Solutions for Chapter: Visualizing Shapes, Exercise 6: EXEMPLAR PROBLEMS

We have $4$ congruent equilateral triangles. What do we need more to make a pyramid?

A square with same side length as of triangle.

We have $4$ congruent equilateral triangles. What do we need more to make a pyramid?

$2$ equilateral triangles with side length same as triangle.

We have $4$ congruent equilateral triangles. What do we need more to make a pyramid?

$2$ squares with side length same as triangle.

If a pyramid has a hexagonal base, then the number of vertices is _____.

Regular octahedron has$8$ congruent faces which are isosceles triangles.

A cylinder is a $3$-D shape having two circular faces of different radii.

Can a polyhedron have $\mathrm{V}=\mathrm{F}=9$ and $\mathrm{E}=16$? If yes, draw its figure.

Draw the net of the following cuboid: