Home
Class 10
MATHS
An oil funnel of tin sheet consists of a...

An oil funnel of tin sheet consists of a cylindrical portion 10 cm long attached to a frustum of cone. The diameters of the top and bottom of the frustum are 18 cm and 8 cm respecti8vely. If the slant height of the frustum of the cone is 13 cm, find the area of the tin required to make the funnel from the given information in the figure
`(pi=3.14)`

Text Solution

Verified by Experts

The correct Answer is:
`:. ` Surface area of the tin required to make the funnel is 249 `pi cm ^(2)`
Promotional Banner

Topper's Solved these Questions

  • CHALLENGING QUESTIONS

    TARGET PUBLICATION|Exercise BASIC CONCEPTS IN GEOMETRY|13 Videos

  • CHALLENGING QUESTIONS

    TARGET PUBLICATION|Exercise PARALLES LINES|7 Videos

  • CHALLENGING QUESTIONS

    TARGET PUBLICATION|Exercise Trigonometry|11 Videos

  • BOARD QUESTION PAPER: MARCH 2019

    TARGET PUBLICATION|Exercise (Solve the following questions (Any three):|2 Videos

  • CIRCLE

    TARGET PUBLICATION|Exercise Chapter Assessment|14 Videos

Similar Questions

Explore conceptually related problems

The curved surface area of the frustum of a cone is 180 sq cm and the circumference of its circular bases are 18 cm and 6 cm respectively. Find the slant height of the frustum of a cone.

The radii of the circular ends of a frustum of a cone are 14 cm and 8 cm, if the height of the frustum is 8 cm. Find (ii) Total surface area of the frustum

The radii of the circular ends of a frustum of a cone are 14 cm and 8 cm. If the height of the frustum is 8 cm. Find (i) Curved surface area of the frustum

The radii of the top and bottom of a bucket of slant height 10 cm are 14 cm and 6 cm respectively. The curved surface area of the bucket is (pi = 3.14)

A bucket is in the form of a frustum of a cone and holds 28. 490 litres of water. The radii of the top and bottom are are 28 and 21 cm respectively. Find the height of the bucket.

The slant height of the frustum of the cone is 6.3 cm and the perimeters of its circular bases are 18 cm and 6 cm respectively. Find curved surface area of the frustum.

A washing tub in the shape of a frustum of a cone has height 21 cm. The radii of the circular top and bottom are 20 cm and 15 cm respectively. What is the capacity of the tub? (pi=22/7)

The radii of the circular ends of a frustum of a cone are 14 cm and 8 cm, if the height of the frutum is 8 cm. Find (iii) Volume of the frustum.

The radii of ends of a frustum are 14 cm and 6 cm respectively and its height is 6 cm. Find its (iii) Volume (pi = 3.14) .

The radius and slant height of a cone are 4 cm and 25 cm respectively. Find the curved surface area of that cone. (pi = 3.14)