Triangle ABC, shown below, was rotated to result in its image, triangle DEF.
5.1 in.
1050
7.2 in.
450
300
А
9.9 in.
B
What set of measures belongs to triangle
DEF?

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d

step-by-step explanation:

54.864 meters

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!