Answer:
B. 100π
Step-by-step explanation:
The surface area of a sphere is given by
SA = 4 pi r^2
The radius is 5
SA = 4 * pi * r^2
SA = 4 * pi * 25
SA = 100 pi
Equilateral, isosceles, and acute
Answer: 24 5 + 9 = 15 + 9 = 24
Step-by-step explanation: