Answer:
SA = 2πr² + 2πrh
Step-by-step explanation:
2πr² will provide the surface area of the top and bottom of the cylinder
2πrh will provide the surface area of the cylinder portion that connects the top and bottom
Area of circle = πr² = 3.14×4² = 50.24m²
The best approximation is C.
Answer:
Only b is correctly simplified.
Step-by-step explanation:
7<n<8 is the right answer