VIII revision paper for FA4

Math practice paper

Fill in the blanks

1.F+E=V+2 is called _____________ formula.

2.The diagonals of the rhombus are 7.2cm and 11 cm.Find the area ______.

3. 1 =_______L.

4. A solid made up of polygonal regions is called ________.

5.The side of a cube is 6cm then what will be the surface area of the cube.________

6.Polyhedrons which are not convex are called _____________ polyhedrons.

7. No of vertices in tetrahedron is _________.

8.A hexagonal pyramid has ________ faces.

9. If a polyhedron has 18 vertices and 20 faces find the number of edges.

10.Identify the types of the polyhedron and answer the following questions.

1)Find the number of faces ,edges and vetices.

2) Verify the same using Eulers formula.

11.The area of a trapezium is 480 ,the distance between two parallel sides is 15m and one of the parallel side is 20m .find the other parallel side.

12.Find the surface area of the cube if the side of a cube is 7cm.

13.A water tank is in the form of a cylinder whose radius is 2.5m and length is 10m .Find the quantity of water in litres that can be stored in the tank.

14.Find the area of a polygon below