Visualizing Solid Shapes-Sample Papers

Class VIII Math
Test for Visualising Solid Shapes
Total Marks: 15
Total Time: 25 min
1.   Verify Euler’s formula for these solids.
(3 Marks)
2.   Using Euler’s formula find the unknown.
(6 Marks)
3.   Why the following solids are not polyhedron?
(2 Marks)
        (i) A sphere.
        (ii) A cone.
        (iii) A cylinder.
4.   Name the following polyhedron.
(3 Marks)
        How many faces, vertiecs and edges of this solid are there?
5.   What is the least number of planes that can enclose a solid?
(1 Marks)