Question

a wooden toy is in the form of a cone surmounted by a hemisphere. the diameter of the base of the cone is two times the cube of 2 and height is 12cm. find the volume of toy.​

Answer 1

Answer:

Total area to be painted = πrl+2πr

2

= πr(l+2r)

=

7

22

×8(

r

2

+h

2

+2×8)

=

7

176

(

8

2

+15

2

+16)

=

7

176

×(17+16)=

7

176×33

=829.71cm

2

Cost of painting = Rs. (

100

7

×829.71)=Rs.58.08

Step-by-step explanation:

i hope u understand dear