A metallic pipe whose external and internal diameters are 9 cm and 7 cm,has a le...

Questions

July 2022 1 7 Report

A metallic pipe whose external and internal diameters are 9 cm and 7 cm,has a length of 2.8 m . Find the volumn of metal.

Answers & Comments

pushpamaditya External diameter=9cm,R=9/2
Internal diameter=7cm,r=7/2
height=2.8m=280cm
then a/q

volume of metal=πRsq.h-πrsq.h
=πh(Rsq-rsq)
=(22/7)×280{(9/2)sq-(7/2)sq}
=22×40(81/4-49/4)
=880×32/4
=880×8
=7040cmsq

Add an Answer

Recommend Questions

cghost043 November 2022 | 0 Replies

x+3,solve for the value of x?...

Sheila3701186777 November 2022 | 0 Replies

Wordle is a grid of five squares across and six squares down. Each horizontal ro...

Pat8040270941 November 2022 | 0 Replies

Wordle is a grid of five squares across and six squares down. Each horizontal ro...

ceasardelossantos30 November 2022 | 0 Replies

ano po mangyayari nag bigyan po ako ng pre points

raymondaquino908 November 2022 | 0 Replies

DIRECTION: Complete the missing term in column A from column BA. B.6. 7, 9, 12, ...

shonealrivera88 November 2022 | 0 Replies

patulong po dito sa mathe0c6efff33c9463bb1e957285558f726 25734

talisicjoy3483 November 2022 | 0 Replies

1. From the information given in the figure, how is AC related to BD? A 15 2. Fi...

imomama14 November 2022 | 0 Replies

can someone pls explain how to solve this

Curtis0140317537 November 2022 | 0 Replies

Wordle is a grid of five squares across and six squares down. Each horizontal ro...

alcheontunting November 2022 | 0 Replies

1 lbgc amp lcgd what kind of angel is it

Questions

Answers & Comments

Add an Answer

Recommend Questions

Helpful Links

Helpful Social