Mathematics is like music – Enjoy it!!!
Example 3: The diameter of a metallic ball is 4.2 cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm3? Question 2 Question 4
Read MoreExample 2: Find the amount of water displaced by a solid spherical ball of diameter (i) 28 cm (ii) 0.21 m Question 1 Question 3
Read MoreExample 1: Find the volume of a sphere whose radius is (i) 7cm (ii) 0.63m Ex: 13.7 | Question 9 Question 2
Read MoreExample 16: Monica has a piece of canvas whose area is 551 m2. She uses it to have a conical tent made, with a base radius of 7 m. Assuming that all the stitching margins and the wastage incurred while…
Read MoreExample 12: A child playing with building blocks, which are of the shape of cubes, has built a structure as shown in Fig. 13.25. If the edge of each cube is 3 cm, find the volume of the structure built…
Read MoreExample 19: A hemispherical bowl has a radius of 3.5 cm. What would be the volume of water it would contain? Example 18 Class 9 | Home
Read MoreExample 18: A shot-putt is a metallic sphere of radius 4.9 cm. If the density of the metal is 7.8 g per cm3, find the mass of the shot-putt. Example 17 Example 19
Read MoreExample 17: Find the volume of a sphere of radius 11.2 cm. Example 16 Example 18
Read MoreExample 15: The height and the slant height of a cone are 21 cm and 28 cm respectively. Find the volume of the cone. Example 14 Example 16
Read MoreExample 14: At a Ramzan Mela, a stall keeper in one of the food stalls has a large cylindrical vessel of base radius 15 cm filled up to a height of 32 cm with orange juice. The juice is filled…
Read More