Recall that Festinger and Carlsmith gave participants either $1 or $20 for telling others that an experiment was fun and interesting. The experiment entailed turning pegs on a pegboard one quarter turn at a time. Thus, in actuality, the experiment was tedious and boring. Study results showed that

you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

c

step-by-step explanation:

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!