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CBSE Class 9 Answered

Please let me know an easy way to solve problems of surface area and volume Class 9th
Asked by anitajoshi0786 | 02 Jan, 2020, 03:43: PM
answered-by-expert Expert Answer
Please find our videos and notes that will help you
https://www.topperlearning.com/cbse-class-9-mathematics/surface-areas-and-volumes
Answered by Arun | 04 Jan, 2020, 04:05: PM

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CBSE 9 - Maths
25 The "Caring old people organisation"  needs money to build the old age home which requires 164000 bricks.  Bricks measure 10 cm8 cm 4 cm and cost of brick depends on its volume at the rate of ` 1 per 100 cm3.  It requires 4 cylindrical cans of paint of radius 14 cm and height 30 cm.  The cost of paint is ` 1 per 20 cm3.  How much money is required by organisation ?  If “A company gives the money to organization” then, what common value is depicted by A company and organisation.
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CBSE 9 - Maths
To find formula for the curved serface area of right circullar cylender expermentally
Asked by lalchandkundara17 | 30 Dec, 2022, 08:44: AM
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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
The radii of two cones are equal. If their slant heights are in the ratio 5:8, find the ratio of their curved surface area.
Asked by Sanjuhi4998 | 29 Jan, 2022, 01:35: PM
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CBSE 9 - Maths
curved surface area of a cone is 308 cm2 and it's slant height is 14 cm find (i) radius of the base and (ii)total surface area of the cone
Asked by anirani51 | 01 Dec, 2021, 10:24: PM
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CBSE 9 - Maths
the perimeter of the base of a right circular cylinder is 88 cm and it's height is 10cm then its volume is
Asked by remsindi | 18 Jul, 2021, 06:11: PM
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CBSE 9 - Maths
If side of a cube is increase by 20% so how much percentage will its diagonal increase
Asked by sg871787 | 11 Jan, 2021, 08:01: AM
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CBSE 9 - Maths
If the slant height of a cone 12cm and radius of the base is 14 cm, then the total surface area is --------------.
Asked by pia.jhirwal | 08 Jan, 2021, 11:32: AM
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CBSE 9 - Maths
From a cylindrical wooden log of length 30 cm and base radius 7 root 2 cm, biggest cuboid of square base is made. Find the volume of wood wasted.
Asked by ayushsuukla987 | 31 Dec, 2020, 10:45: AM
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CBSE 9 - Maths
The volume of sphere varies directly as the cube of its radius and the volume of sphere is 36π cubic centimetre.find the volume of sphere, when the diameter is doubled.
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