Home
Class 12
MATHS
Some young entrepreneurs started an indu...

Some young entrepreneurs started an industry "young achievers" for casting metal into various shapes . They put up and advertisement online stating the same and expecting order to cast metal for toys, sculptures , decorative pieces and more .
A group of friends wanted to make innovative toys and hence contacted the "young achievers" to order them to cast metal into solid half cylinders with a rectangular based semi-circular ends

Based on the above informtion , answer the following questions:
The total surface area(S) of the casted half cylinder will be :

A

`pirh + 2pir^(2) + rh`

B

`pirh + pir^(2) + 2rh`

C

`2pirh + pir^(2) + 2rh`

D

`pirh+pir^(2) + rh`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2022 TERM 1 SET 2

    XII BOARDS PREVIOUS YEAR|Exercise SECTION B|20 Videos

  • QUESTION PAPER 2022 TERM 1 SET 1

    XII BOARDS PREVIOUS YEAR|Exercise SECTION-C|10 Videos

  • QUESTION PAPER 2022 TERM 2 SET 1

    XII BOARDS PREVIOUS YEAR|Exercise SECTION C|6 Videos

Similar Questions

Explore conceptually related problems

40.A given quantity of metal is to be cast into a half cylinder with a rectangular base and semicircular ends.Show that in order that the total surface area may be minimum,the ratio of the length of the cylinder to the diameter of its semi-circular ends is w'(

How are shadows cast?

The TV brod casting bands are

(v) Impurties are more soluble in the melt than in the solid state of the metal.

In making or casting of metals, silicon is used as

Name some materials made from cast iron.