The radius of a hemisphere is 14 cm. What is the cost of painting the outer curved surface of the hemisphere at the rate of Rs. 45 per cm2?\(\left( {{\rm{Take\;\pi \;}} = {\rm{\;}}\frac{{22}}{7}} \right)\)

The radius of a hemisphere is 14 cm. What is the cost of painting the

1.	The radius of a hemisphere is 14 cm. What is the cost of painting the outer curved surface of the hemisphere at the rate of Rs. 45 per cm2?\(\left( {{\rm{Take\;\pi \;}} = {\rm{\;}}\frac{{22}}{7}} \right)\)
A.	Rs. 55440
B.	Rs. 56820
C.	Rs. 58280
D.	Rs. 53160
Answer» B. Rs. 56820