Home
Class 9
MATHS
A metal pipe is 77 cm .long .The inner d...

A metal pipe is 77 cm .long .The inner diameter of a cross section is 4 cm. the outer diameter being 4.4 cm .Find its
(i) inner curved surface area
outer curved surface area
Total surface area.

Text Solution

Verified by Experts

The correct Answer is:
`(i) 968 cm ^(2) `
(ii) ` 10648 cm ^(2) `
(iii) ` 2035.44 cm ^(2) `
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    NCERT TAMIL|Exercise EXERCISE 10.3|12 Videos

  • SURFACE AREAS AND VOLUMES

    NCERT TAMIL|Exercise EXERCISE 10.4|12 Videos

  • SURFACE AREAS AND VOLUMES

    NCERT TAMIL|Exercise EXERCISE 10.1|8 Videos

  • STATISTICS

    NCERT TAMIL|Exercise THINK AND DISCUSS|2 Videos

  • THE ELEMENTS OF GEOMETRY

    NCERT TAMIL|Exercise BRAIN TEASER|2 Videos

Similar Questions

Explore conceptually related problems

The inner diameter of a circular well is 3.5 m. It is 10 m deep . Find (i) its inner curved surface area (ii) The cost of plastering this curved surface at the rate of Rs. 40 per m^(2)

Find area of circle whose diameter is 14 cm.

Side of a cube is 4cm. Find ratio of its total surface area and vertical surface area.

If the lateral surface area of a cube is 600cm^(2) , then the total surface area is

The length of equator of the globe is 44cm . Find its surface area

If the curved surface area of a solid hemisphere is 2772 sq. cm , find its total surface area .

If the curved surface area of a solid hemisphere is 2772 sq.cm, then find its total surface area.