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CBSE Class 8 Answered

could you please tell me the formula of the following:
1.total surface area of cone
2.lateral surface area of cone
3.volume of cone
Asked by ummeykulsum02 | 22 Mar, 2016, 12:35: PM
answered-by-expert Expert Answer
Answered by Rashmi Khot | 05 Dec, 2017, 02:26: PM

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CBSE 8 - Maths
how to find area of cylinder
Asked by tejagshelar | 11 Feb, 2022, 08:52: PM
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CBSE 8 - Maths
find the area of a regular hexagon P Q R S T U whose side is 6 cm and height is 14 cm.please give the ans .
Asked by kritikarautela16.8cpsb | 29 Dec, 2021, 06:32: PM
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CBSE 8 - Maths
The length of one diagonal of a quadrilateral is 40 cm and perpendicular drawn to it from the opposite vertices are 12 cm and 9 cm . Find the area of the quadrilateral.
Asked by pm6617978 | 28 Dec, 2021, 06:30: PM
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CBSE 8 - Maths
a park of length 150m and breadth 80m has a uniform path of width 5 m running all around the inside . the remaining area is to be covered by grass find th cost of cementing the path at the rate of 8.50 rs  per  m2and grassing at the rate  of rs2m per square
Asked by shivanshipandey127 | 27 Dec, 2021, 03:45: PM
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CBSE 8 - Maths
What is the area of the right triangle with sides 6cm,8cm,10cm
Asked by sejaldhaka | 05 Jan, 2021, 03:27: PM
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CBSE 8 - Maths
Sir, the problem is as follows :- The perimeter of a trapezium is 52cm. Its non-parallel sides 10cm each and and the distance between two parallel sides is 8cm. Find the area of the Trapezium. I have attached a picture of the problem and have highlighted it. Please send me the solution. REGARDS
Asked by Kiran | 31 Dec, 2019, 12:37: PM
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CBSE 8 - Maths
What is the height of cubiodal cylinder whose volume is 1236 and radius is 4
Asked by rk97718824 | 09 Oct, 2019, 11:55: PM
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CBSE 8 - Maths
A rectangular glass vessel with dimension 12cm×5cm×4cm is partially filled with water , if a rectangular block of iron measuring 3cm×2cm×1.5cm is wholly immersed in water , by how much will the water level rise ?        Ans - 0.15 cm 
Asked by Mohdayaz9921 | 04 Feb, 2019, 11:35: AM
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CBSE 8 - Maths
A barn with a flat roof is rectangular in shape of breadth 10m.length 15 m ..and height 5 m ..it is to be painted inside on the wall and on ceiling but not on the floor..find the total area to be painted ....??     Ans -29600
Asked by Mohdayaz9921 | 28 Nov, 2018, 02:39: PM
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CBSE 8 - Maths
A room and ceiling is to be painted ...if the lenght breadth and height of room is 3.5 , 3 , 4.5     Find the area which is to be paintd  
Asked by Mohdayaz9921 | 27 Nov, 2018, 04:41: PM
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