Question

find the surface area of sphere of radius 10.5 cm​

Answer 1

Answer:

1386.75 cm^2

Step-by-step explanation:

surface area of sphere is given by 4*pi*r*r

here pi=3.14 and r=10.5

so that surface area = 4*3.14*10.5*10.5

                                  =1384.75 cm^2

Answer 2

Answer:

1386

Step-by-step explanation:

surface area =4×22/7×10.5×10.5

=1386