Out of the following, which is a 3-D figure?

If we rotate a right angled triangle of height 5 cm and base 3 cm about its height a full turn, we get

Which of the following 3-dimensional figures has the top, side and front as triangles?

The shadow of a cone, when seen under the lamp of an overhead projector is

Number of vertices of a triangular prism are:

Three cubes each with 2 cm edge are placed side by side to form a cuboid. Breadth of the resultant cuboid is:

A full-turn means a rotation of

The number of edges of the solid shape is

The name of the shape is

For a polyhedron, if 'F' stands for number of faces, V stands for number of vertices and E stands for number of edges, then which of the following relationships is named as Euler's formula?

The common portion of two adjacent faces of a cuboid is called a/an-----

Out of ------ faces of a triangular prism, ------ are rectangles and ----- are triangles.

The net of a solid consists of three rectangles and two triangles. It may be the net of a _________ [pyramid/triangular prism]

A triangular pyramid has____________ vertex or vertices. [one/four]

Sum of 3x²-1 and -x²+ 1is

How many vertices are there in a pentagonal pyramid?

If two cubes of dimensions 3 cm x 3 cm x 3 cm are placed one above the other, what would the dimensions of the resulting cuboid be?

What is the value of 10x²- 10 at x = -10?

How many faces are there in a tetrahedron?

Find the number of edges of a solid having 6 faces and 8 vertices.

How many vertices does a cone have?

If a cone is cut from the top horizontally, then which 2-D figure will be seen?

What is the vertical cross-section (slice) of a cylinder, if it is placed on one of its circular faces?

For a pyramid there are 4 faces and 4 vertices. Find the number of edges.

If P = -2, then find the value of -3p² + 4p + 7.

Draw a net of a cuboid having same breadth and height but length double the breadth

Draw the net of a square pyramid with base as square of side 4 cm and slant edges 6 cm.

Using Euler's formula find the unknown.               

Can a polyhedron have 10 faces, 20 edges and 15 vertices?