Answer:
2 things...
Step-by-step explanation:
1: this question is in the wrong category
2: you didn't state which is the radius and which is the height but ill give answers for either way
r = 12cm h = 19cm then A≈1299.57
r = 19cm h = 12cm then A≈2475.49
this problem is super ez so once you do it 3-5 times it'll be a breeze for you. heres a site that might help.