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CBSE Class 10 Answered

The slant height of a frustum of a cone is 4 cm and perimeters of its circular ends are 18 cm and 6 cm. Find the curved surface area.
Asked by Topperlearning User | 27 Jul, 2017, 03:16: PM
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Answered by | 27 Jul, 2017, 05:16: PM

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If the radii of the circular ends of a conical bucket which is 45 cm high be 28 cm and 7 cm, find the capacity of the bucket.
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CBSE 10 - Maths
The slant height of a frustum of a cone is 4 cm and perimeters of its circular ends are 18 cm and 6 cm. Find the curved surface area.
Asked by Topperlearning User | 27 Jul, 2017, 03:16: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
A container, open from the top and made up of a metal sheet, is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends as 8 cm and 20 cm respectively. Find the cost of milk which can completely fill the container at the rate of Rs.20/ litre. Also find the cost of metal sheet used to make the container if it costs Rs. 8 per 100 cm2.
Asked by Topperlearning User | 27 Jul, 2017, 03:16: PM
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