2) Ann measured the diameter of some lichen and found it was 35 millimetres.
How many years ago did the ice disappear at this spot?

796
25
40
37

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.

hard

step-by-step explanation:

mujhko hui na

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!