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CBSE Class 10 Answered

The length of the minute hand of a clock is 5 cm. Find the area swept by the minute hand during the time period 6:05  a.m. and 6:40 a.m.
Asked by jaychandran1967 | 30 Mar, 2017, 05:12: PM
answered-by-expert Expert Answer
begin mathsize 16px style 1 space minute space equals space 6 to the power of ring operator 35 cross times 6 equals 210 to the power of ring operator Area space of space sector equals straight theta over 360 πr squared space space space space space space space space space space space space space space space space space space space space space space space space space equals 210 over 360 cross times 22 over 7 cross times 5 cross times 5 space space space space space space space space space space space space space space space space space space space space space space space space space equals 45.83 space cm squared end style
Answered by Sneha shidid | 31 Mar, 2017, 10:09: AM

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CBSE 10 - Maths
what is cone surface area
Asked by sagarvarun6535 | 03 Mar, 2024, 09:37: AM
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CBSE 10 - Maths
A rocket is in the form of circular closed at the ler end and a cone of same radius is attached to the top.The radius of the clylinder is 2.5m ,it's height is 21m and the slant height of the cone is 8m Find the T.S.A of rocket
Asked by ybproduction256 | 27 Nov, 2023, 12:26: AM
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CBSE 10 - Maths
a wooden toy rocket is in the shape of cone mounted on a cylinder. The height of the entire rocket is 15 cm, while the height of the conical part is 4 cm. The base of the conical portion has a diameter of 6 cm, while the base diameter of the cylindrical portion is 4 cm. If the conicle portion is painted green and the cylindrical portion is painted blue, find the area of the rocket. (use π=3.14)
Asked by shivalaxmi0205 | 05 Sep, 2023, 06:55: PM
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CBSE 10 - Maths
8th one
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Asked by pentikalyanram | 22 Dec, 2022, 08:12: PM
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CBSE 10 - Maths
A hemispherical  depression  is  cut  out  from  one  face  of  cubical  block  of  side  7cm,  such  that                   the  diameter  of  the  hemisphere  is  equal  to  the  edge  of  the  cube.  Find  the  surface  area  of  the remaining  of  solid. .
Asked by meet46159 | 04 Jan, 2021, 10:43: AM
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CBSE 10 - Maths
In cuboid the length of its diagonal is 5√5 and sum of its length breadth and depth is 19 than find it's TSA
Asked by manishbennalli | 01 Apr, 2020, 07:25: PM
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CBSE 10 - Maths
Why isn't the base of the cylinder included in the TSA of the bird bath??
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Asked by subbukum | 10 Mar, 2020, 09:29: PM
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CBSE 10 - Maths
a tent is in the shape of a right circular cylinder up to a height of 3 m and conical above it. the total height of the tent is 13.5 m and the radius of its base is 14m. find the cost of cloth required to make the tent at the rate of rs. 80 per metre.   
Asked by claudiakoksisangma13 | 23 Feb, 2020, 09:45: AM
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CBSE 10 - Maths
Acircus tent is cylindrical upto a height of 3.3m and conical above it. If the slant height and perpendicular height of conical part is 40 m and 24m respectively, then find the total canvas used in making a tent. Also find the cost of canvasing a tent at the rate of rs.12.5 per m sq. (II=3.14)
Asked by sheth4.ami4 | 21 Feb, 2020, 04:37: PM
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CBSE 10 - Maths
A tin maker bought a sheet of tin of length 4.40m and width 1.16m he made cylindrical tins closed on both the sides of height 20cm and radius 7cm while making each tin 88cm2 sheet is wasted ,then how many tins can be made from sheet?
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Asked by swaroop.sandan | 24 Jan, 2020, 04:10: PM
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