Question

please help me for these all maths questions ​

Answer 1

Step-by-step explanation:

In the first question, first you find the total surface area of cylinder using the formula

$2 \pi \: rh \: + \: 2\pi \: {r}^{2}$

Then calculate the volume using the formula πr²h

In the second question the surface are can be calculated using the formula 6s² and the volume s³.