Question

what is the tea of a cone whose radius is r/3 and slant he​

Answer 1

Answer:

Total surface area of cone=πr(r+l)

Given, radius =

2

r

and slant height =2l

Therefore new total surface area of cone =π

2

r

(

2

r

+2l)

=π(

4

r

2

+rl)

=πr(l+

4

r

)

Answer 2

TECHNIQUE OF CONVERTING NATURAL OR MAN-MADE RAW MATERIALS INTO FINISHED PRODUCTS BY PROCESSING THEM TO PRODUCE MORE USEFUL AND VALUABLE PRODUCTS IS CALLED MANUFACTURING INDUSTRIES.