Question

a closed metallic box is 1.25m high and has a base whose radius is 35cm if the costs rs 80 per m2 find the cost of the material used in the box. Also , find the capacity of the box

Answer 1

Answer:

I don't know the capacity of box

explain

T.S.A. of cyl =2πrh+2πr2=2π×(10035)×1.25+2π(10035)2

⇒TSA=3.52m2 & as cost of 1m2 is Rs 80 

⇒ Total cost =3.52×80=Rs281.6 

I don't know this is correct or wrong is this correct please give a thanks Is this answer is not correct please inform Me in the comments box