3 × 100 + 9 × 10 + 1 + ( 6 × 1 ⁄10 ) + ( 7 × 1 ⁄100 ) + ( 5 × 1 ⁄1000 )
If the cylinder is closed at both ends the formula is
πdh + 2π(d/2)^2 where h = height and d = diameter
The answer to this problem is A
Answer:
565.2 in²
Step-by-step explanation:
2pi × r × (r + h)
2 × 3.14 × 5 × (5 + 13)
31.4 × 18
565.2