pa help
Which of the following is the formula in finding the surface area of a sphere? *
Note: r2 ---> (r squared)
A.SA = 2πrh + 2πr2
B.SA = πrh + πr2
C.SA = πrs + πr2
D.SA = 4πr2
A girl is playing with a ball with a radius of 30 cm. What is the surface area of the ball? *
Note: cm2 ---> (centimeter squared)
A.11 304 cm2
B.11 403 cm2
C.11 504 cm2
D.11 805 cm2
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