391,748 views
18 votes
18 votes
Find the surface area of the sphere if its radius is 13 inches. Round your answer to

nearest hundredth (two decimal places). Use 3.14 to approximate pi.

User Maduka Jayalath
by
2.7k points

2 Answers

15 votes
15 votes
Formula is A=4 pi r^2
4*3.14*13^2
2122.64
User Pratik Kumar
by
3.5k points
17 votes
17 votes
Formula: (3.14) 13^2
Answer: 530. 66
User Lex Bryan
by
2.9k points