Answer: 62.85 unit²
Step-by-step explanation: TSA of cylinder = 2pi r² + 2pi rh
= 2pi r(r + h)
= 44/7( 1+9) = 440/7 = 62.85 unit²
Answer:
127.6 m²
Explanation:
To find the surface area of a cylinder we need to use this formula:
2πrh + 2πr² =
= (2*3.14*1*19) + (2*4.14*1*1) =
119.32 + 8.28 = 127.6m²
9.4m questions
12.2m answers