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By what percent does its curved surface area decrease? 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes The front compound wall of a house is decorated by wooden spheres of diameter 21 cm, placed on small supports as shown in fig. Eight such spheres are used forth is purpose, and are to be painted silver. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A wooden bookshelf has external dimensions as follows: Height = 110cm, Depth = 25cm, Breadth = 85 cm (see fig.). The thickness of the plank is 5cm everywhere. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm^3) is needed to fill this capsule? 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes Twenty-seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S’. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of Rs. 4989.60. If the cost of white-washing is Rs 20 per square meter, find the 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes Find the volume of a sphere whose surface area is 154 cm^2. (Assume π = 22/7) 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A hemispherical tank is made up of an iron sheet 1cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold? 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon? 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes 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 cm^3? 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes Find the amount of water displaced by a solid spherical ball of diameter (i) 28 cm (ii) 0.21 m 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes Find the volume of a sphere whose radius is (i) 7 cm (ii) 0.63 m 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A right triangle ABC with sides 5cm, 12cm and 13cm is revolved about the side 12 cm. Find the volume of the solid so obtained. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm. Find the volume of the solid so obtained. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes The volume of a right circular cone is 9856 cm^3. If the diameter of the base is 28 cm, find (i) height of the cone (ii) slant height of the cone 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kiloliters? 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes If the volume of a right circular cone of height 9cm is 48 πcm^3, find the diameter of its base. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes The height of a cone is 15 cm. If its volume is 1570 cm^3, find the diameter of its base. 3 years ago Satkriti Roao class 9 cbse ncert surface areas volumes Page 1 / 5 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved