MATHS Fill in the blanks.

If the sum of numbers on the two dice thrown together is 9, then the sum of the numbers opposite to these faces is 5.

A net is a sort of skeleton – outline in 2-D, which on folding results in a 3-D shape.

Out of 5 faces of a rectangular pyramid, 4 are triangles and the base is a rectangle.

Out of 5 faces of a square pyramid, 4 are triangle and 1 is/are squares.

Out of 5 faces of a triangular prism, 3 are rectangle and 2 are triangles.

The base of a triangular pyramid is a triangle.

A square pyramid has 5 faces, 8 edges, and 5 vertices.

A triangular pyramid has 4 faces, 6 edges, and 4 vertices.

A triangular prism has 5 faces, 9 edges, and 6 vertices.

A Solis’having a circular base and one vertex is called a cone.

A solid having 3 faces (one curved and two circulars), no vertex and two curved edges are known as a cylinder.

A pyramid having 4 equilateral triangles as its faces is known as a tetrahedron.

A solid that has congruent and parallel polygons as top and bottom faces and all other faces rectangular is known as a prism.

A solid having no vertex and no edge is a sphere.