Lateral surface area of a cylinder: 2πrh, r is the radius, h is the height.
area of the top and bottom circle: πr²
when h=2r, the total surface area is:
2πr(2r)+πr²+πr²=6πr²
the answer is 6πr²
0.270 repeated. I used long division and a calculator. hoped this helped.
Answer: 1: 7 | 2: 2 | 3: 729 | 4: 2 | 5: 100 | 6: about 140
Hope this helps :)
Step-by-step explanation:
