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CBSE Class 9 Answered

A hemispherical dome of a building needs to be painted. If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs. 5 per 100 cm2.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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Answered by | 04 Jun, 2014, 03:23: PM

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CBSE 9 - Maths
find the radius of a sphere whose area is 154 cm
Asked by manishgupta8980 | 15 Jul, 2022, 09:17: PM
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CBSE 9 - Maths
Can you please answer these all questions
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Asked by nishimuthu21 | 05 Jul, 2020, 11:06: AM
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CBSE 9 - Maths
If a sphere and a hemisphere have the same surface area, find the ratio of their radii if r1 is the radius of the sphere and r2 is the radius of the hemisphere. 
Asked by dhanya_mk2000 | 21 Jan, 2020, 08:32: PM
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CBSE 9 - Maths
The diameter of the moon is approximately one fourth of the diameter of the earth. Find the ratio of their surface areas
Asked by ppiigoswami | 06 Dec, 2019, 08:53: PM
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CBSE 9 - Maths
If the area of the top of a hemispherical bowl is 154 cm2. Its volume is 714.65 cm3(app.)  718.67 cm3 (app.) 716.92 cm3 (app.) 720.46 cm3 (app.)
Asked by arajeevshashank | 29 Nov, 2019, 07:21: PM
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CBSE 9 - Maths
A hemispherical bowl is made of steel, 0.7 cm thick has inner radius 14 cm. It is to be polished from inside and outside. Calculate the total area to be polished.
Asked by Topperlearning User | 18 Oct, 2017, 02:56: PM
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CBSE 9 - Maths
Two hemispherical bowls are formed by cutting a spherical ball of diameter 28 cm from the centre. Calculate the total surface area of each of the hemispherical bowls so formed.
Asked by Topperlearning User | 18 Oct, 2017, 03:25: PM
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CBSE 9 - Maths
A toy is in the form of a hemisphere surmounted by a cone of radius 3 cm and height 4 cm. Calculate the surface area of the toy.
Asked by Topperlearning User | 18 Oct, 2017, 02:58: PM
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CBSE 9 - Maths
If the circumference of the base, a hemispherical dome of a building is 352 cm, find the lateral surface area of the dome.
Asked by Topperlearning User | 18 Oct, 2017, 03:02: PM
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CBSE 9 - Maths
The hollow sphere, in which the circus motorcyclist performs his stunts, has a radius of 2.8 m. find the area available to the motorcyclist for riding.
Asked by Topperlearning User | 18 Oct, 2017, 03:03: PM
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